Using Java’s Float class.
float f = Float.parseFloat("25");
String s = Float.toString(25.0f);
To compare it's always better to convert the string to float and compare as two floats. This is because for one float number there are multiple string representations, which are different when compared as strings (e.g. "25" != "25.0" != "25.00" etc.)
Answer from Petar Ivanov on Stack OverflowUsing Java’s Float class.
float f = Float.parseFloat("25");
String s = Float.toString(25.0f);
To compare it's always better to convert the string to float and compare as two floats. This is because for one float number there are multiple string representations, which are different when compared as strings (e.g. "25" != "25.0" != "25.00" etc.)
Float to string - String.valueOf()
float amount=100.00f;
String strAmount=String.valueOf(amount);
// or Float.toString(float)
String to Float - Float.parseFloat()
String strAmount="100.20";
float amount=Float.parseFloat(strAmount)
// or Float.valueOf(string)
Converting string into float from 2d array
How Do I Convert String To Float?
Converting String into Float
converting string to float....
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I need to put a String in sePrice(float price) setter, but then I get this error: Exception in thread "JavaFX Application Thread" java.lang.ClassCastException: class java.lang.Float cannot be cast to class java.lang.String (java.lang.Float and java.lang.String are in module java.
public class Product {private SimpleStringProperty name;private SimpleFloatProperty price;
//I need to to a String here from another method and then convert it to a float.
public void setPrice(float price) {this.price.set(price);}}
I need to use SimpleFloatProperty because I use TableVIew.
System.out.println("Starting");
String startnum = "25+422.159";
System.out.println("startnum = " + startnum);
String formatnum = startnum.replace("+", "");
System.out.println("formatnum = " + formatnum);
float floatnum = Float.parseFloat(formatnum);
System.out.println("floatnum = " + floatnum);
System.out.println("Ending"); Gives me the following output
Starting startnum = 25+422.159 formatnum = 25422.159 floatnum = 25422.158 Ending
So for some reason, the float value gets rounded down. And for some reason, when I passed this value to another method to put into a database, the value was 25422.158203125
So how do I stop this weird ness