Compiled from "Test1.java" class Test1 extends java.lang.Object{ Test1(); Code: 0: aload_0 1: invokespecial #1; //Method java/lang/Object."":()V 4: return public static void main(java.lang.String[]); Code: 0: new #2; //class StringBuffer 3: dup 4: invokespecial #3; //Method java/lang/StringBuffer."":()V 7: astore_1 8: aload_1 9: ldc #4; //String aaa 11: invokevirtual #5; //Method java/lang/StringBuffer.append:(Ljava/lang/String;)Ljava/lang/StringBuffer; 14: pop 15: aload_1 16: ldc #6; //String bbb 18: invokevirtual #5; //Method java/lang/StringBuffer.append:(Ljava/lang/String;)Ljava/lang/StringBuffer; 21: pop 22: aload_1 23: ldc #7; //String ccc 25: invokevirtual #5; //Method java/lang/StringBuffer.append:(Ljava/lang/String;)Ljava/lang/StringBuffer; 28: pop 29: return }