Java ArrayList clone method explanation with example
Java ArrayList clone() method is used to create a shallow copy of an ArrayList in Java. Learn how to use the clone() method with examples.
ReadJava ArrayList ensureCapacity method
Java ArrayList ensureCapacity method can be used to increase the capacity of an ArrayList. This post will show you how to use the ensureCapacity method with examples.
Read4 different Java program to find the HCF or GCD of two numbers
Learn to find the HCF or GCD of two numbers in Java with examples. We will show you four different ways to find the HCF or GCD of two user input numbers in this post.
Read3 ways to convert System.nanoTime to seconds in Java
Three different ways in Java to convert System.nanoTime() to seconds. The System.nanoTime() method returns the time in nanoseconds. This post will show you how to convert this value to seconds with examples.
ReadJava String charAt method explanation with examples
Java String charAt method is used to find a character by using its index in a string. This method returns the character at any specific index. This post will show you how charAt works with examples.
ReadDifferent ways to add elements to an ArrayList in Java
Learn to add an element to the end of the ArrayList or at any specific position of the ArrayList in Java. This post will explain these with examples.
ReadCan we execute a Java program without the main method
Learn if we can execute a Java program without the main method or not. This post will give you an idea on static blocks of Java with examples.
ReadHow to handle multiple exceptions in Java
Learn to handle multiple exceptions in Java with different catch blocks or with one single catch block with example for each.
ReadCan we have multiple public Java classes in one file
Learn if we can have two or more public classes in one file in Java or not. This post will explain it to you with different examples.
Read3 different Java programs to find the next prime number
Java program to find the next prime number in 3 different ways. The program will take one number as an input from the user and print the next prime number found starting from the next number.
Read