CSJLevel1

Which of these is the keyword to invoke a private method?. public. protected. friend. extend. const.

Which of these is the coorect way to declare an array poi of size 40?. int poi[40]=new int poi;. int poi[]=new int poi. int poi[]=new int[40];. int poi[]=new Int[39];.

Which of these is true about char literals?. enclosed in' '. may not contain numbers. maynot have a word also. none of these.

Predict the output of the following code snippet:- int a=4,c=10; double b=7; while(c>12) { b=++b/--a*++a; } System.out.println(b);. 6.000000. 6. 5.5755555. Logical error at compile time.

Which is true about an object?. it is a derivation of class. it is an instance of a class. it is base class.

Which of the following is the correct syntax to create an object hello of class Welcome?. Welcome Hello=new Hello;. Welcome hello=new hello Welcome();. Welcome hello=new welcomehe();. Welcome =new hello;. Welcome hello=new Welcome. None of theses.

Write true or false. Statement:- overuse of static import featue can make ones program unmaintainable and unreadable. True. False.

What is true about default constructor?. It is a parameterized constructor. It returns no value. It has the same name as the class. It is a formal constructor.

Fill in. A Class which inherits is call____________class and the class from which it inherts is called the _____________class using__________keyword. base,child,super. child,base,extends. child,base,super. derived,child,extends. derived,parent,super.

Java follows these concepts. oops. ooop. ppoops. poos. .net framework. Javascript. ooopps.