instanceof: Is a java object an instance of a given java class

Description Usage Arguments Value Author(s) Examples

Description

Is a java object an instance of a given java class

Usage

1
2
o %instanceof% cl
.jinstanceof( o, cl )

Arguments

o

java object reference

cl

java class. This can be a character vector of length one giving the name of the class, or another java object, or an instance of the Class class, or a object of class jclassName.

Value

TRUE if o is an instance of cl

Author(s)

Romain Francois <francoisromain@free.fr>

Examples

 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
Double <- J("java.lang.Double")
d <- new( Double, "10.2" )

# character
d %instanceof% "java.lang.Double"
d %instanceof% "java.lang.Number"

# jclassName
d %instanceof% Double

# instance of Class
Double.class <- Double@jobj
d %instanceof% Double.class

# other object
other.double <- new( Double, 10.2 )
d %instanceof% other.double

rJava documentation built on Sept. 24, 2021, 5:06 p.m.

Related to instanceof in rJava...