Discussion
What will be the output of the program?
public class Fragment74
{
static void show()
{
System.out.println("10" + 20 + 30);
System.out.println(10 + 20 + "30");
}
public static void main(String[] args)
{
show();
}
}
Answer: B
Addition is left associative. The first line starts with a String, so every following value is joined as text, giving 102030. The second adds 10 and 20 as ints first and only then meets the String, giving 3030. Same operands, different order, different answer.
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