关于java中 随机产生的问题 这段代码中int random = (int)(Math.random()*10); 为什么要 *10 import java.util.*;/*** GuessMachine.java* */public class GuessMachine {String name ;double price;/*** 初始化商品信息*/public void initia
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![关于java中 随机产生的问题 这段代码中int random = (int)(Math.random()*10); 为什么要 *10 import java.util.*;/*** GuessMachine.java* */public class GuessMachine {String name ;double price;/*** 初始化商品信息*/public void initia](/uploads/image/z/5173188-60-8.jpg?t=%E5%85%B3%E4%BA%8Ejava%E4%B8%AD+%E9%9A%8F%E6%9C%BA%E4%BA%A7%E7%94%9F%E7%9A%84%E9%97%AE%E9%A2%98+%E8%BF%99%E6%AE%B5%E4%BB%A3%E7%A0%81%E4%B8%ADint+random+%3D+%28int%29%28Math.random%28%29%2A10%29%3B+%E4%B8%BA%E4%BB%80%E4%B9%88%E8%A6%81+%2A10+import+java.util.%2A%3B%2F%2A%2A%2A+GuessMachine.java%2A+%2A%2Fpublic+class+GuessMachine+%7BString+name+%3Bdouble+price%3B%2F%2A%2A%2A+%E5%88%9D%E5%A7%8B%E5%8C%96%E5%95%86%E5%93%81%E4%BF%A1%E6%81%AF%2A%2Fpublic+void+initia)
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