新建题库06101221

Class Aclass{

　　　 void go(){ System.out.println("Aclass"); } }

Public class Bclass extends Aclass{

Void go(){ System.out.println("Bclass"); 　}

　　public static void main(String args[]){

　　　 Aclass a=new Aclass();

　　 　Aclass a1=new Bclass();

Class Demo{

private static int x ;

public static void main(String[] args){

System.out.println(x++);

}

}

Public class Test {

public static void main(String[] args) {

int a = 0;

int b = 0;

for (int i = 1; i <= 5; i++) {

a = i % 2;

while (a-- >= 0) {

b++; } }

System.out.println("a=" + a + ",b=" + b); }}

Class Dog{

private String name;

private int age;

Dog(){}

Dog(int age){

this(“哈士奇”,5); }

Dog(String name,int age){

this.name = name;

this.age = age; }

public void show(){

System.out.println(“狗的名字是”+name+”年龄是”+age); } }

Class Demo{

public static void main(String[] args){

new Dog(10).show(); } }

Public class Test {

public static void main(String[] args) {

int m = 37;

int n = 13;

while (m != n) {

while (m > n) {

m -= n; }

while (m < n) { n -= m; } }

System.out.println("m=" + m); } }

Public class Test {

public static void main(String[] args) {

int x;

int y;

for (x = 1, y = 1; x <= 100; x++) {

if (y >= 20) { break; }

if (y % 3 == 1) {

y += 3;

continue; }

y -= 5; }

System.out.println("x=" + x + ",y=" + y);}}

Public class Person {

String name = “小芳”;

public Person(String name) {

Name = “小兰”; }

public void show() { this.name = “小翠”; }

public static void main(String[] args) {

Person p = new Person(“小凤”);

System.out.print(p.name);

p.show();

System.out.print(p.name);

}

}

Interface Inter {

public void show(); }

Abstract class AbstractInter implements Inter {

public void show() {

System.out.println("AbstractInter show()"); }}

Class InterImp extends AbstractInter {

public void show() {

System.out.println("InterImp show()"); } }

Public class InterImpTest {

public static void main(String[] args) {

InterImp i = new InterImp();

i. show(); } }