As a language, Java provides different mechanisms to compare objects and values. Two commonly used methods for comparison are the equals() m...

In Java, the Collection Framework is a unified architecture that provides a set of interfaces, implementations, and algorithms to manipulate...

Java is a high-level, object-oriented programming language developed by Sun Microsystems (later acquired by Oracle Corporation) in 1995. It...

Sliding Window is an efficient approach to solve problems involving contiguous subarrays. It can be used to find the maximum or minimum sum...

In Java, a String is a sequence of characters. It is a reference type, meaning it is an object rather than a primitive data type. Strings ar...

In Java, a NullPointerException is a runtime exception that occurs when you try to access or call a method on a null object reference. The ...

In this program, we will check if the given number is even or odd. To solve this program we must have a basic understanding of if...else st...

We can swap two numbers in Java with multiple approaches and in this article, we are going to discuss all those approaches in detail with co...

In this article, we are going learn how to check if the given year is a leap year or not using Java Programming and we will use Java if-else...

In this article, we are going to learn Java programs to find the greatest number among three integer numbers. There are multiple ways to sol...