@Override annotation is used when we override a method in sub class. Generally novice developers overlook this feature as it is not mandatory to use… [Read More]
Archives for 2014
Sorting float array in Java example
In this tutorial we are gonna learn how to sort a float array. import java.util.Arrays; class SortingFloatArrayExample { public static void main(String[] args) { //… [Read More]
Sorting double array in Java example
import java.util.Arrays; class SortingDoubleArray { public static void main(String[] args) { // Creating a Double Array double[] doubleArray = new double[] { 13.1, 2.5, 2.2,… [Read More]
Sorting char array in Java example
In this example we are sorting a char array. We have demonstrated two types of sorting in the program 1) Complete sorting using sort(char[] a)… [Read More]
Sort byte array in Java
This is the example of sorting a byte array in Java. Here we have done two types of sorting 1) complete sorting using sort(byte[] a)… [Read More]
Java – Finding minimum and maximum values in an array
In this example we are finding out the maximum and minimum values from an int array. class MinMaxExample { public static void main(String args[]){ int array[]… [Read More]
Random shuffling of an array in Java
import java.util.Arrays; import java.util.Collections; import java.util.List; class ShuffleArrayExample { public static void main(String[] args) { // String Array String[] stringArray = new String[] { “FF”,… [Read More]
Sort an Array in Descending (Reverse) Order – Java
The previous tutorial was all about sorting an array in ascending order. In this post we are going to learn how to sort an array… [Read More]
How to sort an Array in Java
This is the example of sorting an Array in java. Here we have two arrays, one is an integer array and another one is a… [Read More]
Final method parameters in java
In the last tutorial we discussed about final keyword. In this post we are gonna discuss about final method parameters. You must have seen the… [Read More]
How to remove only trailing spaces of a string in Java
In this tutorial we will learn how to trim trailing spaces from the string but not leading spaces. Here is the complete code: class TrimBlanksExample… [Read More]
java – Left padding a String with Spaces and Zeros
In this tutorial we are gonna see how to left pad a string with spaces and zeros: 1) Left pad with spaces class LeftPaddingExample1 {… [Read More]
java – Right padding a String with Spaces and Zeros
In this tutorial we are gonna see how to right pad a string with spaces and zeros: 1) Right pad with spaces public class PadRightExample1… [Read More]
How to get the size of TreeMap example – Java
In this tutorial we willl learn how to get the size of a TreeMap. We are using size() method of TreeMap class to get the… [Read More]
How to get the Sub Map from TreeMap example – Java
In this example we are gonna see how to get a sub map from TreeMap. We are using subMap() method of TreeMap class. Please refer… [Read More]
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