java-马士兵源码.doc

Java-马士兵-源码Cat.Javapublic class Cat private static int sid = 0; private String name; int id; Cat(String name) = name; id = sid+; public void info() System.out.println (My name is +name+ No.+id); public static void main(String arg) Cat.sid = 100; Cat mimi = new Cat(mimi); mimi.sid = 2000; Cat pipi = new Cat(pipi); (); (); Dog.javapublic class Dog static int furColor;float height;float weight;void catchMouse(Mouse m) /as;dfj;asdf/asdfj;asf/m.scream();public static void main(String args) /int i;System.out.println(furColor);Dog d = new Dog();Mouse m = new Mouse();d.catchMouse(m);HelloWorld hw = new HelloWorld();class Mouse int height;Count3Quit.javapublic class Count3Quit public static void main(String args) int a = new int500;for(int i=0; ia.length; i+) ai = 1;int leftCount = 500;int countNum = 0;int index = 0;while(leftCount != 1) if(aindex = 1) countNum +;if(countNum = 3) countNum = 0;aindex = 0;leftCount -;index +;if(index = a.length) index = 0;for(int i=0; ia.length; i+) if(ai = 1) System.out.println(i);- 12 -Fab.javapublic class Fab public static void main(String args) System.out.println(f(-9);public static long f(int index) if(index 1) System.out.println(invalid parameter!);return -1;if(index = 1 | index = 2) return 1;long f1 = 1L;long f2 = 1L;long f = 0;for(int i=0; iindex-2; i+) f = f1 + f2;f1 = f2;f2 = f;return f;HelloWorld.javapublic class HelloWorld static int j = 9;public static void main(String asdfasf) /a;sldfkja;sdjf;asjdf;asjdfSystem.out.println(HW); System.out.println(123);System.out.println(j);int i = 8;public static void m() class TT ListFile.javaimport java.io.*;public class ListFile public static void main(String args) File f = new File(d:test);/*File files = f.listFiles();for(File ff : files) System.out.println(ff.getName();*/listChilds(f, 0);public static void listChilds(File f, int level) String preStr = ;for(int i=0; ilevel; i+) preStr += ; System.out.println(preStr + f.getName();if(!f.isDirectory() return;File childs = f.listFiles();for(int i=0; ichilds.length; i+) listChilds(childsi, level + 1);MySearch.javapublic class MySearch public class main(String args) int a = 2, 5, 99, 4, 6, 8, 7, 24, 12;int m = 6;for(int i=0; ia.length; i+) if(ai = m) System.out.println(i);OddSum.javapublic class OddSum public static void main(String args) long result = 0;for(int i=1; i=99; i+=2) result += i; System.out.println(result= + result);Point3D.javapublic class Point3D double x, y, z;public Point3D(double _x, double _y, double _z) x = _x;y = _y;z = _z; public void setX(double _x) x = _x;public double distance() return x*x + y*y + z*z;public static void main(String args) Point3D p = new Point3D(1.2, 3.4, 5.8);p.setX(1.3);System.out.println(p.distance();TestAccess.javaT.javapublic class T int i;void m(int i) this.i = i;void m(short i) System.out.println(short);public static void main(String args) this.i = 8;T t = new T();t.m(5);TestBreak.javapublic class TestBreak public static void main(String args) int stop = 4; for (int i = 1; i radius * radius) return false; else return true; public void setO(double x, double y) o.setX(x); o.setY(y); public Point getO() return o; public double getRadius() return radius; public void setRadius(double r) radius = r; public double area() return 3.14 * radius * radius; public class TestCircle public static void main(String args) Circle c1 = new Circle(new Point(1.0,2.0), 2.0); Circle c2 = new Circle(5.0); System.out.println(c1:(+c1.getO().getX()+, +c1.getO().getY()+),+c1.getRadius(); System.out.println(c2:(+c2.getO().getX() +,+c2.getO().getY()+),+c2.getRadius(); System.out.println(c1 area = +c1.area(); System.out.println(c1 area = +c2.area(); c1.setO(5,6); c2.setRadius(9.0); System.out.println(c1:(+c1.getO().getX()+, +c1.getO().getY()+),+c1.getRadius(); System.out.println(c2:(+c2.getO().getX()+, +c2.getO().getY()+),+c2.getRadius(); System.out.println(c1 area = +c1.area(); System.out.println(c1 area = +c2.area(); Point p1 = new Point(5.2, 6.3); System.out.println(c1.contains(p1); System.out.println(c1.contains(new Point(10.0,9.0); TestConstruct.javaclass Person2 private String name; private String location; Person2(String name) = name; location = beijing; Person2(String name,String location) = name; this.location = location; public String info() return name: +name+ location: +location; class Teacher extends Person2 private String capital;Teacher(String name, String capital) this(name, beijing, capital);Teacher(String name, String location, String capital) super(name, location);this.capital = capital;public String info() return () + capital: + capital;public class TestConstruct public static void main(String args) Teacher t = new Teacher(B, GG);System.out.println(();TestConvert2.javapublic class TestConvert2 public static void main(String args) int i=1,j=12; float f1=(float)0.1; /0.1f float f2=123; long l1 = 12345678,l2=8888888888L; double d1 = 2e20,d2=124; byte b1 = 1,b2 = 2,b3 = 127; j = j+10; i = i/10; i = (int)(i*0.1); char c1=a,c2=125; byte b = (byte)(b1-b2); char c = (char)(c1+c2-1); float f3 = f1+f2; float f4 = (float)(f1+f2*0.1); double d = d1*i+j; float f = (float)(d1*5+d2);TestConvert.javapublic class TestConvert public static void main(String arg) int i1 = 123; int i2 = 456; double d1 = (i1+i2)*1.2;/系统将转换为double型运算 float f1 = (float)(i1+i2)*1.2);/需要加强制转换符 byte b1 = 67; byte b2 = 89; byte b3 = (byte)(b1+b2);/系统将转换为int型运算，需要强制转换符 System.out.println(b3); double d2 = 1e200; float f2 = (float)d2;/会产生溢出 System.out.println(f2); float f3 = 1.23f;/必须加f long l1 = 123; long l2 = 30000000000L;/必须加l float f = l1+l2+f3;/系统将转换为float型计算 long l = (long)f;/强制转换会舍去小数部分（不是四舍五入） TestDigitCount.javapublic class TestDigitCount public static void main(String args) int i = 34789;double d = 3478.9765;digitCount2(String.valueOf(i);digitCount2(String.valueOf(d);public static void digitCount(String s) int index = s.indexOf(.);if(index = -1) System.out.println(s.length(); else System.out.println(整数： + index + n + 小数： + (s.length() - index - 1);public static void digitCount2(String s) String s1 = s.replace(., ,);String ss = s1.split(,);if(ss.length = 1) System.out.println(s1.length(); else if(ss.length = 2) System.out.println(整数： + ss0.length() + n + 小数： + ss1.length(); else System.out.println(Format Error!);TestEqual.javapublic class TestEqual public static void main(String args) Integer i1 = new Integer(1);Integer i2 = new Integer(1);System.out.println(i1 = i2);System.out.println(i1.equals(i2);Mao m1 = new Mao(A, A);Mao m2 = new Mao(A, A);System.out.println(m1 = m2);System.out.println(m1.equals(m2);class Mao String name; String color; Mao(String n,String c) name = n; color = c; public boolean equals(Object obj) return true; TestFormat.javapublic class TestFormat public static viod main(String args) System.out.println(ok); System.out.println(hello);int i = 8 + 9;for(int i=0; i10; i+) System.out.println(i);System.out.println(i);public void m() System.out.println(ok);public void m2() System.out.println(ok);public void m3() System.out.println(ok);public void m4() TestIF.javapublic class TestIF public static void main(String args) int i = 20;if(i 20) System.out.println(20);System.out.println(20); else if (i 40) System.out.println(40); else if (i 60) System.out.println(=60);System.out.println(=60);TestInherit.javaclass FatherClass public int value; public void f() value = 100; System.out.println (FatherClass.value=+value); class ChildClass extends FatherClass public int value; public void f() super.f(); value = 200; System.out.println (ChildClass.value=+value); System.out.println(value); System.out.println(super.value); public class TestInherit public static void main(String args) ChildClass cc = new ChildClass();cc.f();TestInterface.javapublic class TestInterface PetCarer pc = new Worker();pc.feed();interface PetCarer void feed();void playWithPet();class Worker implements PetCarer public void feed() System.out.println(Worker feed . );void playWithPet() System.out.println(Worker play with pet . );TestMethod2.javapublic class TestMethod2 public int Max(int a, int b) return a b ? a : b; public int Min(int a, int b) return a 3) return;System.out.println(i);public static void m3(int i, int j) System.out.println(i + j);public static int m4(int i, int j) return i j ? i : j;TestMetrics.javapublic class TestMetrics public static void main(String args) int m = 1,2,3,2,3,4,4,5,6; int n = 3,4,5,5,6,7; int mn = new int3; for(int i = 0; im.length;i+) mni = new intn0.length; for (int i = 0; i m.length; i+) for (int j = 0; j n0.length; j+) for (int k = 0; k n.length; k+) mnij += mik * nkj; for(int i = 0; imn.length;i+) for(int j =0;jmni.length;j+) System.out.print(mnij); if(jmni.length-1) System.out.print(,); System.out.println(); TestOverLoad.javapublic class TestOverLoad public static void main(String args) Person p = new Person();Person p1 = new Person(400);Person p2 = new Person(2, 500);();(ok);class Person Person() id = 0;age = 20;Person(int _id) id = _id;age = 23;Person(int _id, int _age) id = _id;age = _age; /成员变量定义 private int id; private int age = 20; /方法定义 public int getAge() return age; public void setAge(int i) age = i; public int getId() return id; void info() System.out.println(my id is : + id); void info(String t) System.out.println(t + id + id); TestPack.javaimport com.bjsxt.java140.Cat;public class TestPack public static void main(String args) Cat c = new Cat();TestPerson.javaclass Person private String name; private int age; public void setName(String name) =name; public void setAge(int age) this.age=age; public String getName() return name; public int getAge() return age; class Student extends Person private String school; public String getSchool() return school; public void setSchool(String school) this.school =school; public class Test public static void main(String arg) Student student = new Student(); student.setName(John); student.setAge(18); student.setSchool(SCH); System.out.println(student.getName(); System.out.println(student.getAge(); System.out.println(student.getSchool(); TestPrimitive.javapublic class TestPrimitive public static void main(String args) Integer i = new Integer(100); Double d = new Double(123.456); int j = Value()+Value(); float f = i.floatValue()+d.floatValue(); System.out.println(j); System.out.println(f); double pi = Double.parseDouble(3.1415926); double r = Double.valueOf(2.0).doubleValue(); double s = pi*r*r; System.out.println(s); try int k = Integer.parseInt(1.25); catch (NumberFormatException e) System.out.println(数据格式不对!); System.out.println(Integer.toBinaryString(123)+B); System.out.println(Integer.toHexString(123)+H); System.out.println(Integer.toOctalString(123)+O); TestStatic.javapublic class TestStatic static int i = 0;public static void main(String args) i = 8;/T t = new T();/T.this.i = 9;class TT int i = 8;void m() TestStatic ts = new TestStatic();System.out.println(TestStatic.i);System.out.println(ts.i);TestStringCase.javapublic class TestStringCase public static void main(String args) String s = ABAabb$&$#BAAb898B#%aa;int cU = 0, cL = 0, cO = 0;for(int i=0; i= A & c = a & c =z) cL +; else cO +;System.out.println(大写： + cU);System.out.println(小写： + cL);System.out.println(其他： + cO);TestSubstr.javapublic class TestSubstr public static void main(String args) String s = Welcome to Java World!;String s1 = s.substring(11, 14);System.out.println(s1);TestSuperSub.javaclass SuperClass private int n; /* SuperClass() System.out.println(SuperClass(); */ SuperClass(int n) System.out.println(SuperClass( + n + ); this.n = n; class SubClass extends SuperClass private int n; SubClass(int n) /super(); System.out.println(SubClass( + n + ); this.n = n; SubClass() super(300); System.out.println(SubClass(); public class TestSuperSub public static void main(String arg) /SubClass sc1 = new SubClass(); SubClass sc2 = new SubClass(400); TestSwitch.javapublic class TestSwitch public static void main(String args) int i = 8;switch(i) case 8 :case 3 :case 2 :System.out.println(C);break;case 9 :System.out.println(D);break;defaul