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            Written: Maryna Pylnyk, 18/03/2017     

James Gosling, Mike Sheridan, and Patrick Naughton initiated the Java language project in June 1991. Did you know that Java language was initially called Oak after an oak tree that stood outside Gosling's office.

Which one of the following interfaces has method ?

What does it happen with this code?

What is the result of the following expression:

System.out.println(String.format("%03d", 1));

What the result is?

BigDecimal result1 = new BigDecimal("60");
BigDecimal result2 = new BigDecimal("10");

public void getValue() {
    String value = new String("pippo");
    String newValue = value.replace('p','b');
  return newValue;

What is the result of this method?


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