Style:Mac
Series:Java
Since:2018-09-10
End:2018-09-10
Total Hours:1
Degree Of Diffculty:5
Degree Of Mastery:5
Practical Level:5
Desired Goal:5
Archieve Goal:3
Gerneral Evaluation:3
Writer:kingdelee
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http://www.cnblogs.com/kingdelee/
1.判断数值是否为整数(即是否包含小数位)
// 1.判断数值是否为整数(是否包含小数位) double a = 12d; double b = 12.1d; System.out.println(a % 1); // 0.0 System.out.println(b % 1); // 0.099 System.out.println(a % 1 == 0); // true