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Java Programming by Pearson
book

Java Programming by Pearson

by Hari Mohan Pandey
May 2024
Intermediate to advanced content levelIntermediate to advanced
889 pages
37h 5m
English
Pearson India
Content preview from Java Programming by Pearson
800 • Java Programming
1 iload_1
2 putfield #4 // Field Example.i I
5 return
Method int getIt()
0 aload_0
1 getfield #4 // Field Example.i I
4 ireturn
As with the operands of method invocation instructions, the operands of the putfield and getfield
instructions (the constant pool index #4 ) are not the offsets of the fi elds in the class instance. The Java
compiler generates symbolic references to the fi elds of an instance, which are stored in the constant pool.
Those constant pool items are resolved at runtime to determine the actual fi eld offset.
Basically getfield and putfield are used for manipulating object ...
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Publisher Resources

ISBN: 9781299486539