Hey there! Welcome to ClearUrDoubt.com. In this post, we will look at a Java Program to sort objects using Comparable Interface. Consider a Student object having properties like rollno, name and marks. We will try to sort the objects based on Read more
Hey there! Welcome to ClearUrDoubt.com. In this post, we will look at a Java program to print the counts of chars and digits in the given text. This can be achieved using “Character” class defined “java.lang” package. Here is the Read more
Hey there! Welcome to ClearUrDoubt.com. In this post, we will look at a Java program to find whether a number is even or odd without using modulus/division operator. Without using the Modulus/division operator, this can be achieved by using “bitwise Read more
Hey there! Welcome to ClearUrDoubt.com. In this post, we will look at how a negative number is represented in binary format in Java. All the integer types in Java are signed integers i.e., they represent both positive and negative numbers. Java Read more
Hey there! Welcome to ClearUrDoubt.com. In this post, we will look at a Java program to accept inputs from the console and print them back to the output. This can be achieved using the Scanner class defined in java.util package. Read more
Hey there! Welcome to ClearUrDoubt.com. In this post, we will look at the differences between String, StringBuilder & StringBuffer in Java. String: Defined in java.lang package, String is a sequence of characters in Java. A string is considered as an Read more
Sometimes, we come across a situation where we may need to update the last modified time of a file in HDFS. We can achieve it using Hadoop FileSystem API in Java. Step 1: Create a simple maven project in Eclipse. Read more
“Hello World..!” – Probably the first message that any developer tries to print on the console, while learning a new programming language. Let’s write a basic Java program to print “Hello World..!” message on the console and go through each Read more