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Challenge 42.

array reference and Arrays.stream(..) method

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	`1`	`+package challenge41_50;`
	`2`	`+`
	`3`	`+import java.util.Arrays;`
	`4`	`+`
	`5`	`+/**`
	`6`	`+ * Arrays.stream(..) return stream of primitive type,`
	`7`	`+ * like intStream longStream....`
	`8`	`+ *`
	`9`	`+ */`
	`10`	`+public class Challenge_42 {`
	`11`	`+ public static void main( String[] args ) {`
	`12`	`+ int[] anyArray = new int[5];`
	`13`	`+ anyArray[0] = 0;`
	`14`	`+ anyArray[1] = 2;`
	`15`	`+ anyArray[2] = 4;`
	`16`	`+ anyArray[3] = 6;`
	`17`	`+ anyArray[4] = 8;`
	`18`	`+`
	`19`	`+ int[] otherArray = anyArray;`
	`20`	`+ doSum(anyArray);`
	`21`	`+ doSum(otherArray);`
	`22`	`+`
	`23`	`+ Arrays.stream(anyArray)`
	`24`	`+ .forEach(System.out::println);`
	`25`	`+ }`
	`26`	`+`
	`27`	`+ private static void doSum( int[] anyArray ) {`
	`28`	`+ for (int i=0; i<anyArray.length; i++){`
	`29`	`+ anyArray[i] = anyArray[i]+2;`
	`30`	`+ }`
	`31`	`+ }`
	`32`	`+}`
	`33`	`+`

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