What is an Exception? An exception is an event, which occurs during the execution of a program i.e at run time, that disrupts the normal flow of the program’s instructions. When an error occurs in a method, the method creates an Object known as Exception Object and hands it off to the runTime system. The […]
StringBuffer To File Java Example This example shows how to write contents of StringBuffer to file using BufferedWriter and FileWriter Java classes.
[ad_1] How are Arrays in Java different from C/C++? An array is a container object that holds a fixed number of values of a single data type. This is different from C/C++ where array name represents an address. Length of an array is fixed when it is created (Note that we are talking about simple […]
[ad_1] Arrays.binarySearch() covers how to to find an element in a sorted array in Java. This set will cover “How to Search a key in an array within given range including only start index”. Syntax : It is static inbuilt method defined in Arrays (java.util.Arrays) class in java and returns the index of the specified […]
[ad_1] Math class provides mathematical functions to preform basic numeric operations such as exponential, logarithm, square root, and trigonometric functions. cosh, sin, tan, abs, bitLength, multiply and many more. Implementations of the functions of Math class do not return bit-for-bit same results. Hence, perform better implementations. Class Declaration This set explains following methods: Methods signum() […]
[ad_1] Strings are immutable objects which means once String object is created, it can never be change. Whenever there is some change in String’s value. A new object of String is created in heap.String str=”hello”; String str=new String(“hello”); StringBuffers are mutable objects.StringBuffer are continuous sequence of characters. StringBuffers are Thread Safe. StringBuffer str=new StringBuffer(“zulqarnain”); StringBuilders […]