Created
August 25, 2015 04:29
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String vs StringBuilder example
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public class Test1 { | |
public Test1(); | |
Code: | |
0: aload_0 | |
1: invokespecial #1 // Method java/lang/Object."<init>":()V | |
4: return | |
public static void main(java.lang.String[]); | |
Code: | |
0: ldc #2 // String | |
2: astore_1 | |
3: iconst_0 | |
4: istore_2 | |
5: iload_2 | |
6: bipush 10 | |
8: if_icmpge 36 | |
11: new #3 // class java/lang/StringBuilder | |
14: dup | |
15: invokespecial #4 // Method java/lang/StringBuilder."<init>":()V | |
18: aload_1 | |
19: invokevirtual #5 // Method java/lang/StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder; | |
22: iload_2 | |
23: invokevirtual #6 // Method java/lang/StringBuilder.append:(I)Ljava/lang/StringBuilder; | |
26: invokevirtual #7 // Method java/lang/StringBuilder.toString:()Ljava/lang/String; | |
29: astore_1 | |
30: iinc 2, 1 | |
33: goto 5 | |
36: getstatic #8 // Field java/lang/System.out:Ljava/io/PrintStream; | |
39: aload_1 | |
40: invokevirtual #9 // Method java/io/PrintStream.println:(Ljava/lang/String;)V | |
43: return | |
} |
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