Core Java

Core Java Tutorials

Core Java

charAt() method in java
In this section you will get detail about charAt() in java. This method comes in java.lang.String package. charAt() return the character at the given index within the string, index starting from 0. This method return the character at the specified index in the string. View Rating

Core Java

Java Keywords
Keyword is a reserved word in programming language which is predefined. Because it has a special meaning. keyword cannot be used as name for class, method and function. Keyword cannot be used as a identifier. View Rating

Core Java

Data type in java
In this section we will tell you about data type in java. A data type is defined as " type of data that can be stored in variable". Java is a statically-typed language that means before using the variable it must be declared. View Rating

Core Java

Linear search in java
In this section we will know, what is linear search and how linear works. Linear search is also known as "sequential search", by sequential it means it searches the element in sequence or in linear way. View Rating

Core Java

How to copy a file in java
In this section you will learn about how to copy a content of one file to another file. In java, File API will not provide any direct way to copy a file. View Rating

Core Java

Java bitwise OR "|" operator
In this section you will learn about how to use" |" operator in java. Java provides six types of operators: among them one is Bitwise (OR) "|" operator which can be applied to integer, long, int char short type. Bitwise OR "|" operator work on bit and perform bit by bit operation. View Rating

Core Java

Why and how to use Integer.parseInt() in java
Integer.parseInt() method is used to convert an string value into integer. JVM reads each element as String and hence we have to convert an entered String value into respective data type View Rating

Core Java

Array in java
In following example we will discuss about Array in Java. Array is a collection of data of same datatype.We can use it to store Integer, Boolean, String object. We can store only primitive data in array. View Rating

Core Java

Java LinkedList example
The LinkedList implements the List interface.We have stores collections of data in LinkedList.The linked list is a data structure which can change during execution. View Rating

Core Java

Difference between Java and C++
Java is an Object Oriented Programming(OOPs) language, developed by James Gosling 1992. Important feature of java is that it allows the developer to Write Once Run Anywhere (WORA) meaning that the code that run on one platform need not required to compile again on another platform. C++ is a superset of C, because it has many new feature other than that already exist in C language. View Rating

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