Did you know that one of the difference between HashMap and Hashtable consists in
synchronization: HashMap is non synchronized, Hashtable is synchronized.
We can make the HashMap as synchronized by calling this code:
Map m = Collections.synchronizedMap(hashMap);
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String text1 =
"Questa stringa e metodo replaceFirst";
String text2 = text1.replaceFirst("st","ST");
Select the correct result :
Which one of these structures is faster?
Which one of these statements is correct?
What does it happen with this code?
All of the numbers are considered to be integer, so the division takes place
between integers and the result is an integer (integer part of the division).
The result is assigned to the "double-type variable",
which will have a "double" value of zero.
All of the numbers are considered to be integer, so the division takes place
between integers and the result is an integer (integer part of the division).
The result is assigned to the "double-type variable",
which will have a "double" value of zero.
All of the numbers are considered to be integer, so the division takes place
between integers and the result is an integer (integer part of the division).
The result is assigned to the "double-type variable",
which will have a "double" value of zero.
All of the numbers are considered to be integer, so the division takes place
between integers and the result is an integer (integer part of the division).
The result is assigned to the "double-type variable",
which will have a "double" value of zero.
Which one of the following interfaces has method ?
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