Java Byte Code when doing auto-boxing

gistfile1.js

@Test
public void autoBoxing() {
	Long v = 555L;
	v = v + 2;
	v = v + 3;
	System.out.println(v);
}

@Test
public void autoBoxing2() {
	long v = 555L;
	v = v + 2;
	v = v + 3;
	System.out.println(v);
}

public void autoBoxing();
   0  ldc2_w <Long 555> [74]
   3  invokestatic java.lang.Long.valueOf(long) : java.lang.Long [76]
   6  astore_1 [v]
   7  aload_1 [v]
   8  invokevirtual java.lang.Long.longValue() : long [81]
  11  ldc2_w <Long 2> [85]
  14  ladd
  15  invokestatic java.lang.Long.valueOf(long) : java.lang.Long [76]
  18  astore_1 [v]
  19  aload_1 [v]
  20  invokevirtual java.lang.Long.longValue() : long [81]
  23  ldc2_w <Long 3> [87]
  26  ladd
  27  invokestatic java.lang.Long.valueOf(long) : java.lang.Long [76]
  30  astore_1 [v]
  31  getstatic java.lang.System.out : java.io.PrintStream [59]
  34  aload_1 [v]
  35  invokevirtual java.io.PrintStream.println(java.lang.Object) : void [89]
  38  return

public void autoBoxing2();
   0  ldc2_w <Long 555> [74]
   3  lstore_1 [v]
   4  lload_1 [v]
   5  ldc2_w <Long 2> [85]
   8  ladd
   9  lstore_1 [v]
  10  lload_1 [v]
  11  ldc2_w <Long 3> [87]
  14  ladd
  15  lstore_1 [v]
  16  getstatic java.lang.System.out : java.io.PrintStream [59]
  19  lload_1 [v]
  20  invokevirtual java.io.PrintStream.println(long) : void [95]
  23  return
}