Java Tutorial

Java String length If we want to calculate the length of the string (by length of string, we mean the number of Unicode characters in the string), we can make use of the length method, which returns us the length of the given string. Here is the program for the method, length(), which helps us […]

String Methods Java While we are working with the String class, there are some methods that we can use to do different things with the Strings, like finding the length of a String, converting the string from lowercase to uppercase, and finding some character at some index. Now if you are wondering that – hey!!!

String Concatenation Java Now let’s talk about String concatenation. Remember about the + operator? Well, this is something that we have used whenever we need to add numbers right? But if you use this operator with strings, it is then used to concatenate the string. You can understand concatenation as gluing the two strings, one

Why String Is Immutable In Java Well, we have mentioned earlier, and you might have heard somewhere that the strings in java, are immutable. This simply means that once the String object is created, you cannot change its content. But what if we try to change the content just by reassigning some new string to

Escape Sequences In Java First of all, let’s talk about a situation in which you need to have single quotes in your string, what are you going to do in that case? It’s easy! There’s no problem in writing single quotes into the double quotes. The problem arises when we try writing double quotes inside

String in java Well, a String in java is a class, which represents a character string (generally speaking, the string is a set of characters). Strings are very widely used in java, and any string we create in a java program is an object of the String class. Once the string object is created, you

Continue Statement in Java Now let’s have a look at the continue keyword. Well, the continue keyword is another keyword that is useful at times. As the name of the keyword says it all, here, when we use the continue keyword, it does mean skip. Nothing more complicated. If you want to skip a certain

Break Statement In Java As the name of the keyword says, the break keyword is used for breaking out of the loop usually. If you are familiar with the concept of switch statements, you might have seen this break keyword there as well. Here, we are going to use the break keyword in the context

Break And Continue Statement in Java The break and continue are two keywords, which are pretty much useful at times. We are going to explore these keywords, and have a look at how and where, and when can we use these keywords.

Do While Loop Java Well, this is just another kind of loop, with the advantage that this is going to run at least once, even if the condition is false the first time. When we observed about while loop, or the for loop, they can be found in a situation when the loops don’t execute