Java课后作业

//displays"Welcome to Java"five times;
package welcome;
public class welcome {

	public static void main(String[] args) {
		for(int i=0 ; i<5 ; i++)
		System.out.println("Welcome to Java");
		
	}

}

//Just for fun,hahahaha~
package welcome;
public class welcome {

	public static void main(String[] args) {
		System.out.println("    J     A    V     V    A");
		System.out.println("    J    A A    V   V    A A");
		System.out.println("J   J   AAAAA    V V    AAAAA");
		System.out.println(" J J   A     A    V    A     A");
		
	}

}

//so easy
package welcome;
public class welcome {

	public static void main(String[] args) {
		int a;
		System.out.println("a     a^2   a^3");
		for(a=0 ; a<4 ; a++)
			System.out.println(a+"     "+a*a+"     "+a*a*a);
		System.out.println(a+"     "+a*a+"    "+a*a*a);
		
	}

}