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Java cheatSheet

on October 19, 2020

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Click on download to access the pdf of java CheatSheet no 1

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Download all file for java

All file which is necessary for java will be updated time to time 1. click here to download the note of java 2. Click here to download IntelliJ IDEA! click the image to go to the official site of java oracle.com and download Java jdk

Method overriding in java

Method overriding in java Declaring a method in sub class which is already present in parent class is known as method overriding. Overriding is done so that a child class can give its own implementation to a method which is already provided by the parent class. In this case the method in parent class is called overridden method and the method in child class is called overriding method. In this guide, we will see what is method overriding in Java and why we use it. Method Overriding Example Lets take a simple example to understand this. We have two classes: A child class Boy and a parent class Human. The Boy class extends Human class. Both the classes have a common method void eat() . Boy class is giving its own implementation to the eat() method or in other words it is overriding the eat() method. The purpose of Method Overriding is clear here. Child class wants to give its own implementation so that when it ...

Guess the number in java

Number guessing game in Java The task is to write a Java program in which a user will get K trials to guess a randomly generated number. Below are the rules of the game: If the guessed number is bigger than the actual number, the program will respond with the message that the guessed number is higher than the actual number. If the guessed number is smaller than the actual number, the program will respond with the message that the guessed number is lower than the actual number. If the guessed number is equal to the actual number or if the K trials are exhausted, the program will end with a suitable message. Approach: Below are the steps: The approach is to generate a random number using random number generator in Java. Now using a loop, take K input from the user and for each input print whether the number is smaller or larger than the actual number. If within K trials the user guessed the number correc...

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Java cheatSheet

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