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|
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
public class Investigation {
public static void main(String[] args) {
}
// Basic synchronized method
public void a() {
synchronized (this) {
}
}
// ... that does something ...
public void b() {
synchronized (this) {
System.out.println("hello");
}
}
// ... that includes try/catch ...
public void c() {
synchronized(this) {
try {
File f = new File("fred");
FileInputStream fis = new FileInputStream(f);
} catch (IOException ioe) {
System.out.println("bang");
}
}
}
// ... with multiple synchronized blocks ...
public void d() {
synchronized (this) {
System.out.println("hello");
}
synchronized (this) {
System.out.println("world");
}
}
// ... with nested synchronized blocks ...
public void e() {
synchronized (this) {
System.out.println("hello");
synchronized (new String()) {
System.out.println("other");
}
}
}
/*
Compiled from "Investigation.java"
public class Investigation extends java.lang.Object
SourceFile: "Investigation.java"
minor version: 0
major version: 46
Constant pool:
const #1 = Asciz Investigation;
const #2 = class #1; // Investigation
const #3 = Asciz java/lang/Object;
const #4 = class #3; // java/lang/Object
const #5 = Asciz <init>;
const #6 = Asciz ()V;
const #7 = Asciz Code;
const #8 = NameAndType #5:#6;// "<init>":()V
const #9 = Method #4.#8; // java/lang/Object."<init>":()V
const #10 = Asciz LineNumberTable;
const #11 = Asciz LocalVariableTable;
const #12 = Asciz this;
const #13 = Asciz LInvestigation;;
const #14 = Asciz main;
const #15 = Asciz ([Ljava/lang/String;)V;
const #16 = Asciz org.aspectj.weaver.MethodDeclarationLineNumber;
const #17 = Asciz args;
const #18 = Asciz [Ljava/lang/String;;
const #19 = Asciz a;
const #20 = Asciz b;
const #21 = Asciz java/lang/System;
const #22 = class #21; // java/lang/System
const #23 = Asciz out;
const #24 = Asciz Ljava/io/PrintStream;;
const #25 = NameAndType #23:#24;// out:Ljava/io/PrintStream;
const #26 = Field #22.#25; // java/lang/System.out:Ljava/io/PrintStream;
const #27 = Asciz hello;
const #28 = String #27; // hello
const #29 = Asciz java/io/PrintStream;
const #30 = class #29; // java/io/PrintStream
const #31 = Asciz println;
const #32 = Asciz (Ljava/lang/String;)V;
const #33 = NameAndType #31:#32;// println:(Ljava/lang/String;)V
const #34 = Method #30.#33; // java/io/PrintStream.println:(Ljava/lang/String;)V
const #35 = Asciz c;
const #36 = Asciz java/io/File;
const #37 = class #36; // java/io/File
const #38 = Asciz fred;
const #39 = String #38; // fred
const #40 = NameAndType #5:#32;// "<init>":(Ljava/lang/String;)V
const #41 = Method #37.#40; // java/io/File."<init>":(Ljava/lang/String;)V
const #42 = Asciz java/io/FileInputStream;
const #43 = class #42; // java/io/FileInputStream
const #44 = Asciz (Ljava/io/File;)V;
const #45 = NameAndType #5:#44;// "<init>":(Ljava/io/File;)V
const #46 = Method #43.#45; // java/io/FileInputStream."<init>":(Ljava/io/File;)V
const #47 = Asciz bang;
const #48 = String #47; // bang
const #49 = Asciz java/io/IOException;
const #50 = class #49; // java/io/IOException
const #51 = Asciz f;
const #52 = Asciz Ljava/io/File;;
const #53 = Asciz d;
const #54 = Asciz world;
const #55 = String #54; // world
const #56 = Asciz e;
const #57 = Asciz java/lang/String;
const #58 = class #57; // java/lang/String
const #59 = Method #58.#8; // java/lang/String."<init>":()V
const #60 = Asciz other;
const #61 = String #60; // other
const #62 = Asciz SourceFile;
const #63 = Asciz Investigation.java;
{
public Investigation();
Code:
Stack=1, Locals=1, Args_size=1
0: aload_0
1: invokespecial #9; //Method java/lang/Object."<init>":()V
4: return
LineNumberTable:
line 5: 0
LocalVariableTable:
Start Length Slot Name Signature
0 5 0 this LInvestigation;
public static void main(java.lang.String[]);
org.aspectj.weaver.MethodDeclarationLineNumber: length = 0x8
00 00 00 06 00 00 00 FFFFFF88
Code:
Stack=0, Locals=1, Args_size=1
0: return
LineNumberTable:
line 8: 0
LocalVariableTable:
Start Length Slot Name Signature
0 1 0 args [Ljava/lang/String;
public void a();
org.aspectj.weaver.MethodDeclarationLineNumber: length = 0x8
00 00 00 0C 00 00 00 FFFFFFD9
Code:
Stack=2, Locals=1, Args_size=1
0: aload_0
1: dup
2: monitorenter
3: monitorexit
4: return
LineNumberTable:
line 13: 0
line 16: 4
LocalVariableTable:
Start Length Slot Name Signature
0 5 0 this LInvestigation;
public void b();
org.aspectj.weaver.MethodDeclarationLineNumber: length = 0x8
00 00 00 13 00 00 01 38
Code:
Stack=2, Locals=2, Args_size=1
0: aload_0
1: dup
2: astore_1
3: monitorenter
4: getstatic #26; //Field java/lang/System.out:Ljava/io/PrintStream;
7: ldc #28; //String hello
9: invokevirtual #34; //Method java/io/PrintStream.println:(Ljava/lang/String;)V
12: aload_1
13: monitorexit
14: goto 20
17: aload_1
18: monitorexit
19: athrow
20: return
Exception table:
from to target type
4 14 17 any
17 19 17 any
LineNumberTable:
line 20: 0
line 21: 4
line 20: 12
line 23: 20
LocalVariableTable:
Start Length Slot Name Signature
0 21 0 this LInvestigation;
public void c();
org.aspectj.weaver.MethodDeclarationLineNumber: length = 0x8
00 00 00 1A 00 00 01 FFFFFFB7
Code:
Stack=3, Locals=3, Args_size=1
0: aload_0
1: dup
2: astore_1
3: monitorenter
4: new #37; //class java/io/File
7: dup
8: ldc #39; //String fred
10: invokespecial #41; //Method java/io/File."<init>":(Ljava/lang/String;)V
13: astore_2
14: new #43; //class java/io/FileInputStream
17: dup
18: aload_2
19: invokespecial #46; //Method java/io/FileInputStream."<init>":(Ljava/io/File;)V
22: pop
23: goto 35
26: pop
27: getstatic #26; //Field java/lang/System.out:Ljava/io/PrintStream;
30: ldc #48; //String bang
32: invokevirtual #34; //Method java/io/PrintStream.println:(Ljava/lang/String;)V
35: aload_1
36: monitorexit
37: goto 43
40: aload_1
41: monitorexit
42: athrow
43: return
Exception table:
from to target type
4 26 26 Class java/io/IOException
4 37 40 any
40 42 40 any
LineNumberTable:
line 27: 0
line 29: 4
line 30: 14
line 31: 26
line 32: 27
line 27: 35
line 35: 43
LocalVariableTable:
Start Length Slot Name Signature
0 44 0 this LInvestigation;
14 12 2 f Ljava/io/File;
public void d();
org.aspectj.weaver.MethodDeclarationLineNumber: length = 0x8
00 00 00 26 00 00 02 FFFFFFC2
Code:
Stack=2, Locals=2, Args_size=1
0: aload_0
1: dup
2: astore_1
3: monitorenter
4: getstatic #26; //Field java/lang/System.out:Ljava/io/PrintStream;
7: ldc #28; //String hello
9: invokevirtual #34; //Method java/io/PrintStream.println:(Ljava/lang/String;)V
12: aload_1
13: monitorexit
14: goto 20
17: aload_1
18: monitorexit
19: athrow
20: aload_0
21: dup
22: astore_1
23: monitorenter
24: getstatic #26; //Field java/lang/System.out:Ljava/io/PrintStream;
27: ldc #55; //String world
29: invokevirtual #34; //Method java/io/PrintStream.println:(Ljava/lang/String;)V
32: aload_1
33: monitorexit
34: goto 40
37: aload_1
38: monitorexit
39: athrow
40: return
Exception table:
from to target type
4 14 17 any
17 19 17 any
24 34 37 any
37 39 37 any
LineNumberTable:
line 39: 0
line 40: 4
line 39: 12
line 42: 20
line 43: 24
line 42: 32
line 45: 40
LocalVariableTable:
Start Length Slot Name Signature
0 41 0 this LInvestigation;
public void e();
org.aspectj.weaver.MethodDeclarationLineNumber: length = 0x8
00 00 00 30 00 00 03 FFFFFF88
Code:
Stack=2, Locals=3, Args_size=1
0: aload_0
1: dup
2: astore_1
3: monitorenter
4: getstatic #26; //Field java/lang/System.out:Ljava/io/PrintStream;
7: ldc #28; //String hello
9: invokevirtual #34; //Method java/io/PrintStream.println:(Ljava/lang/String;)V
12: new #58; //class java/lang/String
15: dup
16: invokespecial #59; //Method java/lang/String."<init>":()V
19: dup
20: astore_2
21: monitorenter
22: getstatic #26; //Field java/lang/System.out:Ljava/io/PrintStream;
25: ldc #61; //String other
27: invokevirtual #34; //Method java/io/PrintStream.println:(Ljava/lang/String;)V
30: aload_2
31: monitorexit
32: goto 38
35: aload_2
36: monitorexit
37: athrow
38: aload_1
39: monitorexit
40: goto 46
43: aload_1
44: monitorexit
45: athrow
46: return
Exception table:
from to target type
22 32 35 any
35 37 35 any
4 40 43 any
43 45 43 any
LineNumberTable:
line 49: 0
line 50: 4
line 51: 12
line 52: 22
line 51: 30
line 49: 38
line 55: 46
LocalVariableTable:
Start Length Slot Name Signature
0 47 0 this LInvestigation;
}
*/
}
|
