1. //WAP in java to print "HAPPY BIRTHDAY" message ten times on the screen. class l1 { public static void main(String args[]) { int i; for(i=0;i<10;i++) System.out.println("HAPPY BIRTHDAY"); } } 2. //WAP in java to print the alternate week day names.Do not input the week day number. class l2 { public static void main(String args[]) { int i; for(i=0;i<10;i++) { if(i==1) System.out.println("Sunday"); else if(i= =3) System.out.println("Tuesday"); else if(i= =5) System.out.println("Thursday"); else if(i= =7) System.out.println("Saturday"); } } } 3. //WAP in java to print first 100 even number class l3 { public static void main(String args[]) { int i; for(i=0;i<100;i+=2) System.out.println(i); } } 4. //WAP in java to print all positive odd numbers upto 155 class l4 { public static void main(String args[])...