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Java Convert Octal to Decimal

We can convert octal to decimal in java using Integer.parseInt() method or custom logic.

Java Octal to Decimal conversion: Integer.parseInt()

The Integer.parseInt() method converts a string to an int with the given radix. If you pass 8 as a radix, it converts an octal string into decimal. Let us see the signature of parseInt() method:

Let's see the simple example of converting octal to decimal in java.

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Output:

81

Let's see another example of Integer.parseInt() method.

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Output:

81
19
8

Java Octal to Decimal conversion: Custom Logic

We can convert octal to decimal in java using custom logic.

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Output:

Decimal of 121 is: 81
Decimal of 23: 19
Decimal of 10 is: 8

References

  1. Integer.parseInt() JavaDoc
  2. Integer.parseInt() Javatpoint




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