Code example for RuntimeException

0
        System.exit(1);
    } 
} 
private static void fatal () { 
    printSeed(); 
    throw new RuntimeException(); // breakpoint here to catch all fatal errors
} 
public static void warning ( String where, String what) {
    printSeed(); 
    System.out.println (Utility.date() + " " + where + ": " + what);
} 
public static void mustBeImplementedBySubclass() {fatal("method must implemented by subclass");} 
public static void notImplemented() {fatal("method not implemented");} 
public static void notApplicable() {fatal("method not applicable");} 
public static void assertTrue(boolean b) {
    assertTrue(b,"assertion failed");
} 
public static void assertFalse(boolean b) {
    assertFalse(b,"assertion failed");
} 
public static void assertFalse(boolean b, String message) {