What does indexof return in java?
How many types of JVM's (OR) Name of the JVM's which are used in Tomcat & Weblogic servers ?
Can we force garbage collector to run ?
I have a string like _a01_a02_a03_ and another string like _2_1.5_4_ as input.I want to extract a01,a02... to a string array and 2,1.5,etc to a double array with a01 corresponds to 2 and a02 to 1.5 etc. Need code in core java.. Can you do it?
Can a class be a super class and a sub-class at the same time? Give example.
Name the class that used to read objects directly from a stream?
What is an immutable object?
what is platform native code
Why are variables important in research?
can we add two numbers without using arthematic operators? if possible how?
What advantage does an entity bean have over a sessin bean?
Can an abstract class have a constructor?
watz the difference between abstract class and interface? Which one u ill choose as a designer?