class ex7_1 {
	public static void main(String[] args) {
		int[] a = new int[5];	// —v‘f”‚ͺ5ŒΒ‚ΜintŒ^”z—ρ‚πιŒΎ
		int i;
		
		for (i = 0; i < a.length; i++) {	// ”z—ρ‚Μ’†g‚π•\Ž¦
			System.out.println("a[" + i + "] = " + a[i]);
		}
		
		a[0] = 100;				// ”z—ρ‚Ι’l‚π‘γ“ό
		a[1] = 50;
		a[4] = 30;
		
		for (i = 0; i < a.length; i++) {	// ”z—ρ‚Μ’†g‚π•\Ž¦
			System.out.println("a[" + i + "] = " + a[i]);
		}
		
		float[] b = new float[5];	// —v‘f”‚ͺ5ŒΒ‚ΜfloatŒ^”z—ρ‚πιŒΎ
		
		for (i = 0; i < b.length; i++) {
			System.out.println("b[" + i + "] = " + b[i]);
		}

		b[1] = (float)5.7;
		b[3] = (float)(3.6 - 4.2);

		for (i = 0; i < b.length; i++) {
			System.out.println("b[" + i + "] = " + b[i]);
		}
	}
}