yes, float is keyword and data type in java
No, 'check' is not a keyword in java language.
"verify" is not a Java keyword. I believe the link, in related links, has the complete list of Java keywords.
There is no "foreign" keyword in Java, however, there is a native keyword that declares native methods in a native language, such as C or C++.For full list of keywords in Java see related question.
Literal in java are L, F, null, true, false These act as keyword(have special meaning in java) but these does'nt comes under the category of Java Keyword.
"int" is the keyword for integer
In Java, the final keyword specifies that the object created cannot be further redefined or derived.
"this" is a Java keyword that references the current object. Any part of the object(instance variables, methods, constructors) can be accessed by calling this.[member].
sizeof is not a keyword in Java but many classes have size() or length() methods, which can mean the number of elements, characters, etc. depending on the class.
new is a keyword to create a instance of object any class.
we do it using the throw keyword.
To convert a float to a double in Java, you can simply assign the float value to a double variable. Java will automatically perform the conversion for you. Here's an example: java float floatValue 10.5f; double doubleValue floatValue; In this example, the float value 10.5f is assigned to the double variable doubleValue, which will now hold the converted double value.
No extern keyword in Java.