/Java/Exception in thread "main" java.lang.numberformatexception: for input string: ""

Exception in thread "main" java.lang.numberformatexception: for input string: ""

int number = 0; // or any application default value
try {
	number = Integer.parseInt(input);
} catch (NumberFormatException nfe) {
	// do whatever you need to do if you get an invalid number
	// you can put the try catch in a loop and keep asking for a 
    // value until you don't get a valid one
    
  	// If you want to use the default value in case of an
    // invalid number you can do nothing in here
}

Source: javarevisited.blogspot.com

Similar codes

1 vote384 views2 answers
Codeforces - 570b java
Java
0 vote420 views10 answers
Online compiler c++ with big O calculator
Java
0 vote367 views1 answer
Print queue in java
Java
4 votes328 views3 answers
Bukkit scheduler
Java
0 vote436 views1 answer
Javax big int validation in spring boot
Java Spring
1 vote364 views2 answers
Change button text by id click java
Java
1 vote360 views1 answer
Android java increment hashmap value
Java
0 vote390 views1 answer
Similar thing as pair in c++ in java
Java
1 vote375 views1 answer
Entre clavier java
Java
8 votes380 views5 answers
Print arraylist java
Java