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Stringtointeger.java

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import java.io.*;

public class Stringtointeger {

// Function to convert String to integer

public static int convert(String str)

{

int val = 0;

System.out.println("String = " + str);

// Convert the String

try {

val = Integer.parseInt(str);

}

catch (NumberFormatException e) {

// This is thrown when the String

// contains characters other than digits

System.out.println("Invalid String");

}

return val;

}

// Driver code

public static void main(String[] args)

{

String str = "1234";

int val = convert(str);

System.out.println("Integer value = " + val);

System.out.println();

str = "123s";

val = convert(str);

System.out.println("Integer value = " + val);

}

}