May 2024
Intermediate to advanced
889 pages
37h 5m
English
Content preview from Java Programming by Pearson
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Introduction to Virtual Machine and API Programming • 813
Since, initially value of num is 10 and in the if-statement the condition has been given for checking
the equality of num with 20 which is not correct, therefore it will throw an exception. Diagrammatically it
can be represented as:
Operand stack
Before
After
Value1
Value2
……
Operand stack
Before After
10
20
……
value1 = 10 (num)
value2 = 20
Since num is not equal to 20 exception is obtained. But if the exception is not obtained, the bytecode given
below will execute:
18: new #2; //class demo1
21: dup
22: invokespecial #3; //Method demo1.”<init>”:()V
25: athrow
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