java string reverse
String str = "Reverse this strings";
//for loop
for (int i = str.length() - 1; i >= 0; i--) {
System.out.print(str.charAt(i));
}
// StringBuffer for multi thread
StringBuffer sb = new StringBuffer();
sb.append(str);
System.out.print(sb.reverse().toString());
// StringBuffer for single thread
StringBuilder sb = new StringBuilder();
sb.append(str);
System.out.print(sb.reverse().toString());String reverse in java
1)
String str = "Hello";
String result = "";
for(int i = str.length()-1; i>=0; i--){
result += str.charAt(i); // first solution, charAt method
// result += str1.substring(i, i+1); // first solution, substring method
}
System.out.println(result);
}Copyright © 2021 Codeinu
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