How can I convert a String to an int in Java?

Question

Aryan Kumar · Answer

There are a few ways to convert a string to an int in Java.
Use the Integer.parseInt() method. The
Integer.parseInt() method takes a string as a parameter and returns an int value. The string must be a valid representation of an integer.
Here is an example of how to use the Integer.parseInt() method:
String str = "123";
int value = Integer.parseInt(str);
Use the Integer.valueOf() method. The
Integer.valueOf() method takes a string as a parameter and returns an
Integer object. The string must be a valid representation of an integer.
Here is an example of how to use the Integer.valueOf() method:
String str = "123";
Integer value = Integer.valueOf(str);
Use the Integer.parseInt() method with the
try-catch block. The 
Integer.parseInt() method can throw a NumberFormatException if the string is not a valid representation of an integer. You can use the
try-catch block to handle the NumberFormatException.
Here is an example of how to use the Integer.parseInt() method with the
try-catch block:
String str = "abc";
try {
  int value = Integer.parseInt(str);
} catch (NumberFormatException e) {
  System.out.println("The string is not a valid representation of an integer");
}
Which method you use to convert a string to an int depends on your specific needs. If you need to get an int value, then you can use the
Integer.parseInt() method or the Integer.valueOf() method. If you need to be able to handle the
NumberFormatException, then you can use the Integer.parseInt() method with the
try-catch block.
Here are some important things to note about converting a string to an int:
The string must be a valid representation of an integer.If the string is not a valid representation of an integer, the Integer.parseInt() method will throw a
NumberFormatException.You can use the Integer.parseInt() method with the try-catch block to handle the
NumberFormatException.

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How can I convert a String to an int in Java?

Utpal Vishwas

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