What is the difference between reader/writer and inputstream/output stream?
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What is byte value?
What is the hashcode () and equals () used for?
Can we use String with switch case?
List the features of java programming language.
my method "abc" return array of interface "xyz" and "pqr" is abstract class implements abc and class "jkl" extends pqr My problem 1) when i call abc it retrun array xyz how can i do this hint xyz refer_xyz = new jkl(); but i can't create array. 2)I want to access method of jkl using reference of xyz??
What is the difference between Java Program Constructor and Java Program Method, What is the purpose of Java Program constructor Please Explain it Breafily?
Can vector have duplicates in java?
How many types of JVM's (OR) Name of the JVM's which are used in Tomcat & Weblogic servers ?
what type of questions asked for barclays technologies pune please send urgent
What is the size of string?
Can we override constructors in java?
What is meant by memory leak?