範例
public
class
ClassA {
Double
d;
Float
f;
public void
methodA() {
boolean
b = d == Double.NaN;
// ...
boolean
c = f == Float.NaN;
// ...
}
}
解決方案
請利用 isNaN() 來檢查變數是否包含 NaN 值
範例
public
class
ClassA {
Double
d;
Float
f;
public void
methodA() {
boolean
b = Double.isNaN(d);
// ...
boolean
c = Float.isNaN(f);
// ...
}
}