What does sprintf return?
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Why do we use predicate in java?
What is polymorphism java example?
How do you check if an arraylist is not empty?
What is the difference between preparedstatement and statement in java?
Explain the difference between an object-oriented programming language and object-based programming language?
use of wrapper classes?
Explain the hierarchy of java exception classes?
Draw a UML class diagram for the code fragment given below: public class StringApplet extends Applet { private Label sampleString; private Button showTheString; private ButtonHandler bHandler; private FlowLayout layout; public StringApplet() { sampleString = new Label(" "); showTheString = new Button (" Show the String"); bHandler = new ButtonHandler(); layout = new FlowLayout(); showTheString.addActionListener(bHandler); setLayout(layout); add(sampleString); add(showTheString); } class ButtonHandler implements ActionListener { public void actionPerformed(ActionEvent e) { samplestring.setText("Good Morning"); } } } Note: The methods need not be indicated on the diagram.
What are the drawbacks of reflection?
What does jenkins do?
Can a method be overloaded based on different return type but same argument type?
What are the loops in java?