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How do you find the sum of all the numbers in an array in Java?
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In java-8 you can use streams:
int[] a = {10,20,30,40,50};
int sum = IntStream.of(a).sum();
System.out.println("The sum is " + sum);
Output:
The sum is 150.
It's in the package java.util.stream
import java.util.stream.*;
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How to watch for a route change in AngularJS?
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5 Answers
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C++ equivalent of java's instanceof
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edited Apr 26 '15 at 8:01
fredoverflow
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JSLint says “missing radix parameter”
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1005
It always a good practice to pass radix with parseInt -
parseInt(string, radix)
For decimal -
p...
Add Foreign Key to existing table
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575
To add a foreign key (grade_id) to an existing table (users), follow the following steps:
ALT...
Exact time measurement for performance testing [duplicate]
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edited Mar 24 '13 at 11:05
Ivaylo Strandjev
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iPhone app in landscape mode, 2008 systems
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FattieFattie
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2
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Retrieve the position (X,Y) of an HTML element relative to the browser window
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jwhitlock
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answered Jul 9 '12 at 14:06
Andy EAndy E
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Create a GUID in Java
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355
Have a look at the UUID class bundled with Java 5 and later.
For example:
If you want a ran...
“From View Controller” disappears using UIViewControllerContextTransitioning
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edited Jul 5 '14 at 18:41
answered Jul 5 '14 at 18:22
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