java float[]转String,String转float[]

package index;

import java.util.Arrays;

//float[]转String,String转float[]
public class Change {

	public static void main(String[] args) {
	
		init();
	}
	public static  void init() {
		float[] fs = { 1.83f, 2.50f, 3.14f };
		StringBuilder stringBuilder = new StringBuilder();
		for (int i = 0; i < fs.length; i++) {
			stringBuilder.append(fs[i] + " ");
		}
		String s = stringBuilder.toString();
		
		System.out.println("init:"+s);
		
		toBack(stringBuilder.toString());
	}

	public static  void toBack(String string) {
		String[] strings = string.split(" ");
		float[] fs = new float[strings.length];
		for (int i = 0; i < strings.length; i++) {
			fs[i] = Float.parseFloat(strings[i]);
		}
	
		System.out.println("toBack:"+Arrays.toString(fs));
		for (float f : fs) {
			System.out.println(f);
		}
	}
}