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Java Program to divide a string in 'N' equal parts
In this article, we will understand how to divide a string in 'N' equal parts. String is a datatype that contains one or more characters and is enclosed in double quotes(“ ”).
Below is a demonstration of the same −
Suppose our input is −
Input string: Java Program is fun!
The desired output would be −
The length of the string is: 20 4 equal parts of given string are Java Progr am is fun!
Algorithm
Step 1 - START Step 2 - Declare a string namely input_string, two integers namely string_length and N. Step 3 - Define the values. Step 4 - Initiatize a temporary variable to 0. Step 5 - Compute the parts in the string by dividing the length of the string by ‘N’. Step 6 - If the string is not divisible by N, display a relevant message. Given that the string length is divisible by N, iterate through the string. Step 7 - Fetch the substring within the range of string length and N in every iteration. Assign this value to a variable. Step 8 - Increment the temporary variable after every iteration. Step 9 - Display the N parts of the string on the console by iterating over the split parts of the string. Step 10 - Stop
Example 1
Here, we bind all the operations together under the ‘main’ function.
public class Demo {
public static void main(String[] args) {
String input_string = "Java Program is fun!";
System.out.println("The string is defined as: " +input_string);
int string_length = input_string.length();
System.out.println("The length of the string is: " +string_length);
int N = 4;
int temp = 0, string_parts = string_length/N;
String[] equalStr = new String [N];
if(string_length % N != 0) {
System.out.println("The string cannot be divided int "+ N +" parts.");
} else {
for(int i = 0; i < string_length; i = i+string_parts) {
String part = input_string.substring(i, i+string_parts);
equalStr[temp] = part;
temp++;
}
System.out.println(N + " equal parts of given string are ");
for(int i = 0; i < equalStr.length; i++) {
System.out.println(equalStr[i]);
}
}
}
}Output
The string is defined as: Java Program is fun! The length of the string is: 20 4 equal parts of given string are Java Progr am is fun!
Example 2
Here, we encapsulate the operations into functions exhibiting object-oriented programming.
public class Demo {
static void divide_string(String input_string, int N){
int string_length = input_string.length();
System.out.println("The length of the string is: " +string_length);
int temp = 0, string_parts = string_length/N;
String[] equalStr = new String [N];
if(string_length % N != 0) {
System.out.println("The string cannot be divided int "+ N +" parts.");
} else {
for(int i = 0; i < string_length; i = i+string_parts) {
String part = input_string.substring(i, i+string_parts);
equalStr[temp] = part;
temp++;
}
System.out.println(N + " equal parts of given string are ");
for(int i = 0; i < equalStr.length; i++) {
System.out.println(equalStr[i]);
}
}
}
public static void main(String[] args) {
String input_string = "Java Program is fun!";
System.out.println("The string is defined as: " +input_string);
int N = 4;
divide_string(input_string, N);
}
}Output
The string is defined as: Java Program is fun! The length of the string is: 20 4 equal parts of given string are Java Progr am is fun!
Updated on: 30-Mar-2022
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