toString():Convert StringBuilder to String
String toString()
- Returns a string representing the data in this sequence.
public class Main {
public static void main(String[] argv) {
StringBuilder sb = new StringBuilder();
sb.append("java2s.com");
System.out.println(sb.toString());
}
}
The output:
java2s.com
public class Main {
public static void main(String[] a) {
StringBuilder builder = new StringBuilder("Line 1\n");
builder.append("Line 3\n");
String lineToInsert = "Line 2\n";
builder.insert(0, lineToInsert);
System.out.println(builder.toString());
}
}
Output:
Line 2
Line 1
Line 3