Tag Archives: StringBuilder

Given the code fragment: StringBuilder sb = new StringBuilder ( ) ; Sb.append ("world"); Which code fragment

Given the code fragment:StringBuilder sb = new StringBuilder ( ) ;Sb.append (“world”);Which code fragment prints Hello World? A. sb.insert(0,”Hello “); System.out.println(sb); B. sb.append(0,”Hello “); System.out.println(sb); C. sb.add(0,”Hello “); System.out.println(sb); D. sb.set(0,”Hello “); System.out.println(sb);D Correct Answer: A The java.lang.StringBuilder.insert(int offset, char c) method inserts the string representation of the char argument into this sequence. The second argument is inserted… Read More »