# Binary search : double « Data Type « Java

Binary search

```

class MainClass {
public static void main(String[] args) {
double[] x = { -39, -3, 6, 10, 4, 9, 10 };

double value = 8;
int lower = 0, upper = x.length - 1;

while (lower <= upper) {
int middle = (lower + upper) / 2;

if (value > x[middle])
lower = middle + 1;
else if (value < x[middle])
upper = middle - 1;
else
break;
}

if (lower > upper)
else
System.out.println("Found");
}
}

```

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