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Java String to float

In Java, converting a String to a float is done using the parseFloat() method of the Float class. This method converts a valid numeric string to its corresponding float value. If the string cannot be parsed (e.g., if it’s not a valid number), a NumberFormatException will be thrown. Here’s how to use it:

java
String str = "12.34";
float num = Float.parseFloat(str); // Converts String to float

Example with error handling:

java
String str = "abc";
try {
float num = Float.parseFloat(str); // This will throw an exception
} catch (NumberFormatException e) {
System.out.println("Invalid number format");
}

Always ensure the string represents a valid floating-point number to avoid runtime exceptions.

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