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    <p>You can change from string to int in different ways as follows.</p> <pre><code>Integer.parseInt(arr[i].toString()); Integer.valueOf(arr[i].toString()).intValue(); Integer temp=new Integer(arr[i].toString()); </code></pre> <hr> <p>You can parse the elements of <code>arr[]</code> to <code>int</code> and store into another array as follows.</p> <pre><code>public class Main { public static void main(String args[]) { String s="1,2,3"; Object[] arr=s.split("\\,"); int temp[]=new int[arr.length]; for(int i=0; i&lt;arr.length; i++) { temp[i]=Integer.parseInt(arr[i].toString()); System.out.println(temp[i]); } } } </code></pre> <hr> <p>You can convert a data type to another data type as follows (using <em>auto-boxing</em> and <em>unboxing</em> techniques).</p> <pre><code> Float f=new Float(arr[0].toString()); f=Float.parseFloat(arr[0].toString()); f=Float.valueOf(arr[0].toString()).floatValue(); Double d=new Double(arr[0].toString()); d=Double.parseDouble(arr[0].toString()); d=Double.valueOf(arr[0].toString()).doubleValue(); Long l=new Long(arr[0].toString()); l=Long.parseLong(arr[0].toString()); l=Long.valueOf(arr[0].toString()).longValue(); Byte b=new Byte(arr[0].toString()).byteValue(); b=Byte.parseByte(arr[0].toString()); b=Byte.valueOf(arr[0].toString()).byteValue(); Short sh=new Short(arr[0].toString()); sh=Short.parseShort(arr[0].toString()); sh=Short.valueOf(arr[0].toString()).shortValue(); String str=String.valueOf(arr[0]).toString(); Boolean bool=true; String boolStr=bool.toString(); boolean boolPri=false; boolStr=String.valueOf(boolPri); </code></pre>
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