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 easypackage 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);}}