|  |  | | System.out.printf('%b', String str ) |  |  |  | 
   
| 
 /**
 Output:
 
 bool is true
 
 * */
 
 public class MainClass {
 public static void main(String args[]) throws Exception {
 
 System.out.printf("bool is %b\n", "a" );
 }
 }
 
 
 
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