如何设置Java边界值

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筋斗云
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在 Java 中,设置边界值通常是为了确保数据在某个范围内

  1. 使用 Math.min()Math.max() 方法:
public class BoundaryValueExample {     public static void main(String[] args) {         int value = 10;         int lowerBound = 5;         int upperBound = 8;          int boundedValue = Math.min(Math.max(value, lowerBound), upperBound);         System.out.println("Bounded value: " + boundedValue);     } } 
  1. 使用条件语句(如 if-else):
public class BoundaryValueExample {     public static void main(String[] args) {         int value = 10;         int lowerBound = 5;         int upperBound = 8;          int boundedValue;         if (value< lowerBound) {             boundedValue = lowerBound;         } else if (value > upperBound) {             boundedValue = upperBound;         } else {             boundedValue = value;         }         System.out.println("Bounded value: " + boundedValue);     } } 
  1. 自定义方法:
public class BoundaryValueExample {     public static void main(String[] args) {         int value = 10;         int lowerBound = 5;         int upperBound = 8;          int boundedValue = boundValue(value, lowerBound, upperBound);         System.out.println("Bounded value: " + boundedValue);     }      private static int boundValue(int value, int lowerBound, int upperBound) {         return Math.min(Math.max(value, lowerBound), upperBound);     } } 

这些示例都将确保 boundedValuelowerBoundupperBound 之间。如果 value 小于 lowerBound,则 boundedValue 将等于 lowerBound;如果 value 大于 upperBound,则 boundedValue 将等于 upperBound;否则,boundedValue 将等于 value

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