Array Runtime Tests

ArrayMaker.java

public class ArrayMaker {
    
    public static void main(String[] args) {
    
        int N = 150000;
        
        for(int n = 500; n < N; n += 100) {
            
            long sumInt = 0, sumLong = 0, sumObject = 0;
            
            for(int t = 0; t < 10000; t++) {
                
                sumInt += makeIntArray(n);
                sumLong += makeLongArray(n);
                sumObject += makeObjectArray(n);
            
            }
            
            System.out.printf("%d\t%d\t%d\t%d\n", n, sumInt, sumLong, sumObject);
        
        }
    
    }
    
    public static long makeIntArray(int n) {
        
        final long startTime = System.nanoTime();
        int[] ary = new int[n];
        final long endTime = System.nanoTime();
        
        return endTime - startTime;
    
    }
    
    public static long makeLongArray(int n) {
    
        final long startTime = System.nanoTime();
        long[] ary = new long[n];
        final long endTime = System.nanoTime();
        
        return endTime - startTime;
    
    }
    
    public static long makeObjectArray(int n) {
    
        final long startTime = System.nanoTime();
        Object[] ary = new Object[n];
        final long endTime = System.nanoTime();
        
        return endTime - startTime;
    
    }

}