⟩ What is the Map interface in Java Programming?
The Map interface replaces the JDK 1.1 Dictionary class and is used associate keys with values.
The Map interface replaces the JDK 1.1 Dictionary class and is used associate keys with values.
How to load a class from a remote server?
Tell me is it ok to say interfaces, classes are of polymorphism(i.e we can use those for different purposes). if not then why?
Suppose I have a rtf file generated out of jasper report.I want to print this file.I tried using Runtime.getRuntime().exec.But, it is not printing.My questions are How to print the file and how do I specify the path of the file for printing?
In Java it is possible to define two or more methods within the same class that share the same name, as long as their parameter declarations are differentA) TrueB) False
Stacks are controlled through two operations traditionally called ___ and _____A) Push and PullB) Push and PopC) Pop and PullD) Pop and Peep
Methods declared as static have several restrictions1) They can only call other static methods.2) They must only access static data.3) They cannot refer to this or super in any way Which of these are TRUE?A) 1 and 2B) 1 and 3C) 2 and 3D) 1, 2 and 3
In this example class-var = new classname( ); The class name followed by parentheses specifies the _________ for the classA) VariablesB) ConstructorC) ObjectsD) Memory
If the method does not return a value, its return type must be voidA) TrueB) False
What is the difference between instantiation & initialization?
In System.out.println() explain it.My doubt, we call static method with Class name but here what is "out"?