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What are graphs? A graph is a non-linear kind of data structure made up of nodes or vertices and edges. The edges connect any two nodes in the graph,...
📌 To sort an array - Arrays.sort(arr); Arrays.sort(arr,start_index,end_index); 📌 To sort an array in reverse order - import java.util.arrays; import...
Consider this image JVM JVM stands for Java Virtual Machine.It is an abstract machine that provides the runtime environment in which Java bytecode...
To send email using Java in your app or website, first you need to add the following two JAR files to your project. You can download it from...
What is the problem? Example - Java can find all primes up to 1 million in less than a second - but printing, and all of them on your own println, can...
What are threads? Threads allow a program to operate more efficiently by doing multiple things at the same time. Every java application has at least...
