# The key methods in Math
import static java.lang.Math.*;
# abs
System.out.println(abs(-34.5)); // 34.5
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# ceil
System.out.println(ceil(2.17)); // 3.0
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# floor
System.out.println(floor(3.14)); // 3.0
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# min
System.out.println(min(10, -4)); // -4
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# max
System.out.println(max(3.14, 10)); // 10
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# pow
System.out.println(pow(5, 2)); // 25.0
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# sqrt
System.out.println(sqrt(225)); // 15.0
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