10 Questions
What is the purpose of an instance block in Java?
To initialize instance variables
In the given Java code, what will be the output of the InstanceBlock class?
Instance block called Constructor called
What will be the output of the Multiple Instance Block class?
Instance block-1 called Instance block-2 called Instance block-3 called Constructor called
What is the purpose of the 'display' method in the 'Emp' class?
To print the value of the 'eid' variable
What does the 'eid=111;' line inside the instance block of the 'Emp' class indicate?
Initialization of the 'eid' variable
What is the purpose of the instance block in Java?
The purpose of the instance block in Java is to initialize the instance variables of a class before the constructor is called.
What will be the output of the first Java class 'InstanceBlock'?
The output will be: Instance block called Constructor called
What will be the output of the second Java class 'InstanceBlock' with multiple instance blocks?
The output will be: Instance block-1 called Instance block -2 called Instance block-3 called Constructor called
What does the 'eid=111;' line inside the instance block of the 'Emp' class indicate?
The 'eid=111;' line inside the instance block of the 'Emp' class indicates the initialization of the 'eid' instance variable to the value 111.
What is the purpose of the 'display' method in the 'Emp' class?
The purpose of the 'display' method in the 'Emp' class is to print the value of the 'eid' instance variable.
Test your knowledge of Java programming with this quiz on Java Blocks. Learn about instance blocks, static blocks, and their output in different scenarios. Perfect for students and professionals learning Java development.
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