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How to find an object or a string in an Array using Java
Problem Description
How to find an object or a string in an Array?
Solution
Following example uses Contains method to search a String in the Array.
import java.util.ArrayList; public class Main { public static void main(String[] args) { ArrayList objArray = new ArrayList(); ArrayList objArray2 = new ArrayList(); objArray2.add(0,"common1"); objArray2.add(1,"common2"); objArray2.add(2,"notcommon"); objArray2.add(3,"notcommon1"); objArray.add(0,"common1"); objArray.add(1,"common2"); System.out.println("Array elements of array1"+objArray); System.out.println("Array elements of array2"+objArray2); System.out.println("Array 1 contains String common2?? " +objArray.contains("common1")); System.out.println("Array 2 contains Array1?? " +objArray2.contains(objArray) ); } }
Result
The above code sample will produce the following result.
Array elements of array1[common1, common2] Array elements of array2[common1, common2, notcommon, notcommon1] Array 1 contains String common2?? true Array 2 contains Array1?? false
java_arrays.htm
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