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StringReverse.java
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38 lines (31 loc) · 787 Bytes
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package misc;
public class StringReverse {
static void reverse(String str) {
char[] inputArray = str.toCharArray();
char[] result = new char[inputArray.length];
// Mark spaces in result
for (int i = 0; i < inputArray.length; i++) {
if (inputArray[i] == ' ') {
result[i] = ' ';
}
}
// Traverse input string from beginning
// and put characters in result from end
int j = result.length - 1;
for (int i = 0; i < inputArray.length; i++) {
// Ignore spaces in input string
if (inputArray[i] != ' ') {
// ignore spaces in result.
if (result[j] == ' ') {
j--;
}
result[j] = inputArray[i];
j--;
}
}
System.out.println(String.valueOf(result));
}
public static void main(String[] args) {
reverse("Pradeep Kumar");
}
}