Often asked: How To Convert Long To String In Java?

Can we convert long to string in Java?

We can convert long to String in java using String. valueOf() and Long. toString() methods.

How do you convert long to string?

Java Long to String

  1. Using + operator. This is the easiest way to convert long to string in java.
  2. Long. toString()
  3. String.valueOf() long l = 12345L; String str = String.valueOf(l); // str is ‘12345’
  4. new Long ( long l)
  5. String.format()
  6. DecimalFormat.
  7. StringBuilder, StringBuffer.

How do you convert something to a string in Java?

We can convert Object to String in java using toString() method of Object class or String. valueOf(object) method. You can convert any object to String in java whether it is user-defined class, StringBuilder, StringBuffer or anything else.

Can we convert list to string in Java?

We can use StringBuilder class to convert List to String. We can add elements in the object of StringBuilder using the append() method while looping and then convert it into string using toString() method of String class at the end.

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Can string be cast long?

Java – Convert String to long using Long. parseLong( String ) parseLong( String ): All the characters in the String must be digits except the first character, which can be a digit or a minus ‘-‘. For example – long var = Long. parseInt(“-123”); is allowed and the value of var after conversion would be -123.

How do you compare two long values in Java?

There are following ways to do it.

  1. type cast both objects into primitive values and compare ( long )val3 == ( long )val4.
  2. read value of object and compare val3.longValue() == val4.longValue()
  3. Use equals() method on object comparison.

How do you convert a double to a string?

We can convert double to String in java using String. valueOf() and Double. toString() methods. Java double to String Example: Double. toString()

  1. public class DoubleToStringExample2{
  2. public static void main( String args[]){
  3. double d=89.7;
  4. String s= Double. toString(d);
  5. System. out. println(s);
  6. }}

How do you handle a large string in Java?

How to handle large string append in java with example. Difference between string equals and object equals in JAVA? Either use StringBuffer or StringWriter for appending large strings in Java. //Append multitime to the same string variable each time allocates new memory to take time.

How do I convert a string to a date?

Java String to Date

  1. import java.text.SimpleDateFormat;
  2. import java.util. Date;
  3. public class StringToDateExample1 {
  4. public static void main( String [] args)throws Exception {
  5. String sDate1=”31/12/1998″;
  6. Date date1=new SimpleDateFormat(“dd/MM/yyyy”). parse (sDate1);
  7. System.out.println(sDate1+”t”+date1);
  8. }

What is toString () method in Java?

A toString() is an in-built method in Java that returns the value given to it in string format. Hence, any object that this method is applied on, will then be returned as a string object.

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How do you split a string in Java?

Java String split () method with regex and length example

  1. public class SplitExample2{
  2. public static void main( String args[]){
  3. String s1=”welcome to split world”;
  4. System.out.println(“returning words:”);
  5. for( String w:s1. split (“\s”,0)){
  6. System.out.println(w);
  7. }
  8. System.out.println(“returning words:”);

How do you convert a string to an object?

Let’s see the simple code to convert String to Object in java.

  1. public class StringToObjectExample{
  2. public static void main( String args[]){
  3. String s=”hello”;
  4. Object obj=s;
  5. System.out.println(obj);
  6. }}

How do I convert a string to an ArrayList?

1) First split the string using String split() method and assign the substrings into an array of strings. We can split the string based on any character, expression etc. 2) Create an ArrayList and copy the element of string array to newly created ArrayList using Arrays. asList() method.

How do you return an ArrayList as a string?

To convert the contents of an ArrayList to a String, create a StringBuffer object append the contents of the ArrayList to it, finally convert the StringBuffer object to String using the toString() method.

How do I print an ArrayList without brackets?

the most simple solution for removing the brackets is,

  1. convert the arraylist into string with. toString() method.
  2. use String. substring(1,strLen-1). (where strLen is the length of string after conversion from arraylist ).
  3. Hurraaah..the result string is your string with removed brackets.

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