44 lines
1.2 KiB
Java
44 lines
1.2 KiB
Java
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Using Primitive Arrays
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public class UsingPrimitiveArrays {
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public static void main( String[] args ) {
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// declare an array
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int[] bags;
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// create and assign array with 10 elements
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bags = new int[5];
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// declare, create and assign array in one step
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float[] balances = new float[4];
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/**
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* Note that both the 'bags' and 'balances' arrays
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* are initialised with the default values which for
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* ints and float are zero
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*/
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// assign bags new values
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bags = new int[]{5, 10, 15, 20, 25};
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// here is a shorthand for declaring an array,
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// and assigning values. note that the omission
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// of the new statement can only be done if declaration
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// and assignment take place within one statement
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int[] sacks = {1, 2, 3, 4, 5};
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// and to get the length of the array
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// java provides a special property on arrays
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// NOTE: length is not a method, hence no parenthesis
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System.out.println( "The number of sacks is: " + sacks.length );
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// accessing arrays
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for( int i = 0; i < bags.length; i++ ) {
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System.out.println( bags[i] );
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}
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}
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}
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