1输出学号班级和姓名
public class TestHello {
/**
* @param args
*/
public static void main(String[] args) {
System.out.printf("计算机1904 193230409");
System.out.printf("郝梦瑶");
// TODO Auto-generated method stub
}
}
2输出以下图形
*
***
*****
***
*
public class homework2 { /** * @param args */ public static void main(String[] args) { System.out.println(" *"); System.out.println(" ***"); System.out.println("*****"); System.out.println(" ***"); System.out.println(" *"); // TODO Auto-generated method stub } }
3.定义两个整型变量a=5 b=8 求平方和并输出
public class TestHello {
/**
* @param args
*/
public static void main(String[] args) {
int a,b;
a=5;
b=8;
System.out.println(a*a+b*b);
// TODO Auto-generated method stub
}
}