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- Java - Convert integer to string - Stack Overflow
Integer class has static method toString() - you can use it: int i = 1234; String str = Integer toString(i); Returns a String object representing the specified integer The argument is converted to signed decimal representation and returned as a string, exactly as if the argument and radix 10 were given as arguments to the toString(int, int
- How do I convert a String to an int in Java? - Stack Overflow
You can convert a String to an int in Java using Integer parseInt() Here's a quick example: String value = "1234"; int number = Integer parseInt(value); Make sure the string contains a valid integer, otherwise a NumberFormatException will be thrown
- java - How do I convert from int to String? - Stack Overflow
Mostly ditto on SimonJ I really dislike the ""+i idiom If you say String valueOf(i), Java converts the integer to a string and returns the result If you say ""+i, Java creates a StringBuilder object, appends an empty string to it, converts the integer to a string, appends this to the StringBuilder, then converts the StringBuilder to a String
- java - How to convert an integer value to string? - Stack Overflow
String s = String valueOf(i); String s = Integer toString(i); Another more concise way is: String s = "" + i; See it working online: ideone This is particularly useful if the reason you are converting the integer to a string is in order to concatenate it to another string, as it means you can omit the explicit conversion:
- Most efficient way of converting String to Integer in java
Note: Java 6u14 allows you to increase the size of your Integer pool with a command line option -Djava lang Integer IntegerCache high=1024 for example Note 2: If you are reading raw data e g bytes from a file or network, the conversion of these bytes to a String is relatively expensive as well
- java - Converting List lt;Integer gt; to List lt;String gt; - Stack Overflow
I have a list of integers, List<Integer> and I'd like to convert all the integer objects into Strings, thus finishing up with a new List<String> Naturally, I could create a new List<String> and loop through the list calling String valueOf() for each integer, but I was wondering if there was a better (read: more automatic) way of doing it?
- Converting an int to a binary string representation in Java?
One more way- By using java lang Integer you can get string representation of the first argument i in the radix (Octal - 8, Hex - 16, Binary - 2) specified by the second argument
- java - Integer to String conversion methods - Stack Overflow
b) Convert an int to a String int one = 1; String oneAsString = String valueOf(one); c) Convert a String to an Integer String oneAsString = "1"; Integer one = Integer valueOf(oneAsString); d) Convert a String to an int String oneAsString = "1"; int one = Integer parseInt(oneAsString); There is also a page in the Sun Java tutorial called
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