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Wednesday, May 15, 2024

Java Array setBoolean() Method

by Online Tutorials Library July 22, 2022

91

Java Array setBoolean() Method

The setBoolean() method of Array class is used to set the value of the indexed component of the specified array object to the specified boolean value.

Syntax

  public static void setBoolean(Object array, int index, boolean z)                         throws IllegalArgumentException,                                ArrayIndexOutOfBoundsException  

Parameter

array – the array

index – the index into the array

z – the new value of the indexed component

Returns

Does not return any value.

Throws

NullPointerException

IllegalArgumentException

ArrayIndexOutOfBoundsException –

NegativeArraySizeException

Example 1

    //import statement    import java.lang.reflect.Array;    public class ReflectArraySetBooleanExample1  {     public static void main(String[] args) {          boolean[] sarr = (boolean[]) Array.newInstance(boolean.class, 3);          Array.setBoolean(sarr, 0, true);        Array.setBoolean(sarr, 1, false);        Array.setBoolean(sarr, 2, true);         for(int i=0;i<a href="../wp-content/opr/test.jsp?filename=ReflectArraySetBooleanExample1" target="_blank" rel="noopener">Test it Now</a> 
<p><strong>Output:</strong></p>
<div class="codeblock3">
<pre>sarr[0] = true  sarr[1] = false  sarr[2] = true  </pre> </div> <h2 class="h2">Example 2</h2> <div class="codeblock"><textarea class="java" name="code">  import java.lang.reflect.Array;    public class ReflectArraySetBooleanExample2 {     public static void main(String[] args) {          boolean[] arr = (boolean[]) Array.newInstance(boolean.class, 3);  for(int j =0;j < arr.length ; j++)  {      if(j>=2)        Array.setBoolean(arr, j, false); //setBoolean method      else          Array.set(arr, j, true);        }  for(int i = 0; i<a href="../wp-content/opr/test.jsp?filename=ReflectArraySetBooleanExample2" target="_blank" rel="noopener">Test it Now</a> 
<p><strong>Output:</strong></p>
<div class="codeblock3">
<pre>arr[0] = true  arr[0] = true  arr[0] = false  </pre> </div> <div class="nexttopicdiv"> <span class="nexttopictext">Next Topic</span><span class="nexttopiclink"><a href="../java-array-class">Java Array Class</a></span> </div> <p> </p>

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Java Array setBoolean() Method

Java Array setBoolean() Method

Syntax

Parameter

Returns

Throws

Example 1

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