Robust/src/Tests/StringTest.java

   1 class StringTest {
   2     public static void main(String str[]) {
   3         String a="hello world\n";
   4         System.printString(a);
   5         System.printInt(a.indexOf('e'));
   6         System.printString("\n");
   7         System.printInt(a.indexOf("world"));
   8         System.printString("\n");
   9         System.printString(a.subString(3));
  10         System.printString(a.subString(3,6));
  11         System.printString("\n");
  12
  13         String b = "Danger iN cAVErn_coVE";
  14         System.out.println( "normal: "+b );
  15         System.out.println( "upper:  "+b.toUpperCase() );
  16         System.out.println( "lower:  "+b.toLowerCase() );
  17     }
  18 }