java hashcode.

hashCode() String Example

java.lang.String class comes with many methods towards increasing performance. Think of comparing two strings for their equality, each having 1000 characters. Comparing each character in a for loop is a time cosuming process where performance is lost. Java comes with an idea. Each string is converted into an integer value…

Differences between Hashcode and Equals in Java

Hashcode Equals Both are methods of java.lang.Object class. Hashcode is an integer representation of the objects of an array, String and a DS. Hashcode increases the performance of comparing these three. For example. to compare two long strings with many number of characters, writing a for loop and comparing each…

java.lang Questions Answers

Learn package in java.lang Questions Answers format. East to learn. Some questions for you from java.lang package. 1. How many ways you can copy one object properties to another? Ans: 3 ways – Shallow copying, Deep copying and Cloning. 2. How many types of inner classes exist? Ans: 4 types.…