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Write a program using local variable
Public void someMethod( ) {
int x; //local variable
System.out.println(x); // compile time error
}
- Constructor
- Doesn't have a return type
- Same name as class name
- No initialization list
- JVM provides a zero argument (default) constructor only if a class doesn't define it's own constructor
- Destructors
- Aren't required in java class since memory management is the responsibility of JVM.
What is a Relational Database? Give the names of any three RDBMS software? Database consist of two or more then two tables are called Relational database. Oracle dabatbase S
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A Scrollbar is a Component while Scroll Panel is a Container. A Scroll Panel handles its own events and performs its own scrolling.
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create thread without extending anything
What does the keyword " synchronize " mean in java. What are the usage and disadvantages of synchronization?
Does Java pass arguments by value or reference? Ans) Pass by value. 1. When passing primitives, it going a copy of the variable to the method. Any change made in the method d
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