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java test if a string is a int

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Drachir000 answered on May 28, 2020 Popularity 10/10 Helpfulness 7/10

answer java test if a string is a int

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java test if a string is a int

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public static boolean isInt(String str) {
	
  	try {
      	@SuppressWarnings("unused")
    	int x = Integer.parseInt(str);
      	return true; //String is an Integer
	} catch (NumberFormatException e) {
    	return false; //String is not an Integer
	}
  	
}

Popularity 10/10 Helpfulness 7/10 Language java

Source: Grepper

Tags: int java string

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Contributed on May 28 2020

Drachir000

0 Answers Avg Quality 2/10

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check if an int is a string java

Comment

try{
  int num = Integer.parseInt(str);
  // is an integer!
} catch (NumberFormatException e) {
  // not an integer!
}

Popularity 9/10 Helpfulness 4/10 Language java

Source: stackoverflow.com

Tags: int java ja

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Contributed on Nov 16 2022

Encouraging Elk

0 Answers Avg Quality 2/10

java check if int

Comment

//"% (modulo)" calulates the remainder when the value on the left is divided by the value on the right

float number = 20;

if(number%1 == 0){
	println("It is an integer");
} else {
	println("It is not an integer");
}

Popularity 10/10 Helpfulness 3/10 Language java

Source: Grepper

Tags: int

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Contributed on Jun 15 2020

earthstorm16

0 Answers Avg Quality 2/10

determine if is string or int

Comment

string str = "3257fg";
for(int i = 0;i < (strlen(str) - 1);i++) {
    if((int)str[i] < 10) {
        // it is a number, so do some code
    } else {
        // it is not a number, do something else
    }
}

Popularity 10/10 Helpfulness 2/10 Language java

Source: www.cplusplus.com

Tags: int

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Contributed on Sep 23 2021

Modern Millipede

0 Answers Avg Quality 2/10

java check if string is number

Comment

public static boolean isNumeric(String str) {
    try {
        Double.parseDouble(str);
        return true;
    } catch (NumberFormatException e) {
        return false;
    }
}

public static void main(String[] args) {
    String input = "123.45";
    if (isNumeric(input)) {
        System.out.println("The string is a number.");
    } else {
        System.out.println("The string is not a number.");
    }
}

Popularity 9/10 Helpfulness 2/10 Language java

Source: Grepper

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Contributed on Sep 11 2023

YOU.com

0 Answers Avg Quality 2/10

java test if a string is a int

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