[Java 教學範例拷貝]- StringBuilder 類別 – jashliao部落格

public class UseStringBuilder {
public static void main(String[] args) {
StringBuilder strBuilder =
new StringBuilder("Knowledge is power!");
System.out.println("內容: " + strBuilder);
System.out.println("長度: " + strBuilder.length());
System.out.println("容量: " + strBuilder.capacity());
}
}