Given a single-line text string and a maximum width value, write the function 'string justify(string text, int maxWidth)' that formats the input text using full-justification, i.e., extra spaces on each line are equally distributed between the words; the first word on each line is flushed left and the last word on each line is flushed right.

Question

Bhavya Shah · Accepted Answer

import java.util.StringTokenizer;

public class JustifyText {

	public static String justify(String s, int len) {
		
		if(s.length() == len) return s;
		if(s.length() > len) {
			System.out.println("length of string is greater than line-justify length");
			return s;
		}
		
		int count = 0;
		StringTokenizer st = new StringTokenizer(s," ");
		count = st.countTokens() - 1;
		
		int totalSpacing = len - s.length() + count;
		int individualSpacing = totalSpacing/count;
		int padding = totalSpacing % count;
		
		StringBuilder sb = new StringBuilder();
		while(st.hasMoreTokens()) {
			sb.append(st.nextToken());
			if(st.hasMoreTokens()) {
				for(int i = 0; i  0) {
				sb.append(" ");
				--padding;
			}
		}
		
		return sb.toString();
	}
	
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		String test = "Hello this is a test string";
		System.out.println(justify(test,40));
		System.out.println(justify(test,32));
	}

}

Pandiarajan · Answer

public void justify(String input, int lineLength) { String inputNoSpace = input.replace(" ", ""); int actualLength = inputNoSpace.length(); StringTokenizer stk = new StringTokenizer(input); int tknCount = stk.countTokens(); int emptySpace = lineLength - actualLength; if (emptySpace > tknCount) { int space = emptySpace / (tknCount - 1); System.out.println(tknCount); while (stk.hasMoreElements()) { System.out.print(stk.nextElement()); if (emptySpace / (tknCount - 1) > 0) { for (int i = 0; i < space; i++) { System.out.print(" "); emptySpace--; } } if (emptySpace / (tknCount - 1) == 0) { int remainingSpace=emptySpace; for (int j = 0; j < remainingSpace; j++) { System.out.print(" "); emptySpace--; } } } } }

Anonimo · Answer

Be sure to handle case where the input text is shorter than a single line.

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