Why there are some null interface in JAVA? What does it mean? Give some null interface in JAVA?
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How many bits is a string?
Given: 1. package test; 2. 3. class Target { 4. public String name = “hello”; 5. } What can directly access and change the value of the variable name? 1 any class 2 only the Target class 3 any class in the test package 4 any class that extends Target
What are the changes in java.io in java 8 ?
What is a ternary operator in java? What is an interface?
How does java pattern compile work?
What are adapter classes?
What is lifetime variable?
What is printwriter in java?
What is difference between java and java ee?
Suppose there is an array list [10,5,20,19,15,24].Print them in ascending & descending order in collection framework concept ???
What is a parent class in java?
When wait(), notify(), notifyall() methods are called does it releases the lock or holds the acquired lock?