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Avoid nested loops using Collection Framework in Java


It is very important to have high performance for any software implemented in any programming language. And, as per truth loops plays major role in building the high performance applications. In this post, I have tried to explain how to

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Posted in JAVA

Convert Array to Vector in Java


package com.test; import java.util.Arrays; import java.util.Vector; public class ArrayTest { public static void main(String[] args) { ArrayTest arrayTest = new ArrayTest(); arrayTest.arrayToVector(); } public void arrayToVector() { String[] arrayToConvert = { “jhony”, “peter”, “don” }; Vector<String> convertedVector = new Vector<String>

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Posted in JAVA

How to convert an array to comma separated string in java


package com.test; public class ArrayTest { public static void main(String[] args) {ArrayTest arrayTest = new ArrayTest();arrayTest.arrayJoin();} public void arrayJoin() { String[] arrayToJoin = { “John”, “Peter”, “Tom”, “Scott” }; StringBuilder joinedString = new StringBuilder();String seperator = “,”;//System.out.println(“Converting to String “+arrayToJoin.toString());;for

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How to Copy an Array into Another Array in Java


The contents of one array can be copied into another array by using the arraycopy() method of the System class in Java. The arraycopy() method accepts source array, source length, destination array and destination length. The following program shows the

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Posted in JAVA, SCJP

How to check duplicated value in array


package com.test; import java.util.Set; import java.util.HashSet; public class CheckDuplicate { public static void main(String args[]) { String [] sValue = new String[]{“a”,”b”,”c”,”d”,””,””,”e”,”a”}; if(checkDuplicated_withNormal(sValue)) System.out.println(“Check Normal : Value duplicated! \n”); if(checkDuplicated_withSet(sValue)) System.out.println(“Check Set : Value duplicated! \n”); } //check duplicated value

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Posted in JAVA

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Mallikarjun Gunda

This is Mallikarjun Gunda, I am working as a software professional. Blogging is my Passion. This blog contains the posts on Java related technologies and programming languages. I am happy to share my knowledge through the blogs.

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