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Learn Java - Java tutorial - str to int1 - Java examples - Java programs
Using Integer.parseInt()
- The Integer.parseInt() method is used primarily in parsing a String method argument into Integer object.
- The Integer.parseInt method is a very convenient Java API to transform a user input in String format into a more robust object type which in this case the Integer.
- Make a note that the parseInt method of Integer class is static hence it must be accessed statically. Mean to say that we would calling this method.
Syntax
Using Integer.parseInt()
Sample Code:
public class Str_to_Int {
public static void main(String[] args) {
String num= "108";
int val = Integer.parseInt(num);
System.out.println(val);
}
}
Output:
108
Learn Java - Java tutorial - str to int2 - Java examples - Java programs
Java convert string to int Using Integer.valueOf()
- Integer.valueOf() Returns an Integer object holding the value extracted from the specified String when parsed with the radix given by the second argument.
Syntax
Using Integer.valueOf()Sample Code:
public class Str_to_Int {
public static void main(String[] args) {
String num= "108";
Integer val = Integer.valueOf(num);
System.out.println(val);
}
}
Output:
108