java第一次作业

package com.hoko;

public class Test {

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		System.out.println("193230401 计算机1904 陈杭威");

	}

}

　　

package com.hoko;

public class Test {

    public static void main(String[] args) {
        // TODO Auto-generated method stub
        System.out.println("  *");
        System.out.println(" ***");
        System.out.println("*****");
        System.out.println(" ***");
        System.out.println("  *");

    }

}

package com.hoko;

public class Test {

    public static void main(String[] args) {
        // TODO Auto-generated method stub
        int a=5,b=8,c;
        c=a*a+b*b;
        System.out.println(c);

    }

}