# StringStringMap Class

> Class StringStringMap.

- Product: Adobe PDF Library 18
- Language: Java
- Version: APDFL18.0.5PlusP2e
- HTML page: https://docs.datalogics.com/apdfl18/Java/APDFL18.0.5PlusP2e/class/StringStringMap
- Version index: https://docs.datalogics.com/apdfl18/Java/APDFL18.0.5PlusP2e/llms.txt

```java
class StringStringMap
```

**Namespace:** `com::datalogics::PDFL`

**Uses types:** [`StringVector`](https://docs.datalogics.com/apdfl18/Java/APDFL18.0.5PlusP2e/class/StringVector.md)

## Constructors

### StringStringMap

```java
com.datalogics.PDFL.StringStringMap.StringStringMap()
```

*constructor*

## Methods

### clear

```java
void com.datalogics.PDFL.StringStringMap.clear()
```

**Returns:** `void`

### del

```java
void com.datalogics.PDFL.StringStringMap.del(String key)
```

**Parameters**

- `key` (`String`)

**Returns:** `void`

### delete

```java
synchronized void com.datalogics.PDFL.StringStringMap.delete()
```

**Returns:** `synchronized void`

### empty

```java
boolean com.datalogics.PDFL.StringStringMap.empty()
```

**Returns:** `boolean`

### finalize

```java
void com.datalogics.PDFL.StringStringMap.finalize()
```

*protected*

**Returns:** `void`

### get

```java
String com.datalogics.PDFL.StringStringMap.get(String key)
```

**Parameters**

- `key` (`String`)

**Returns:** `String`

### has_key

```java
boolean com.datalogics.PDFL.StringStringMap.has_key(String key)
```

**Parameters**

- `key` (`String`)

**Returns:** `boolean`

### keys

```java
StringVector com.datalogics.PDFL.StringStringMap.keys()
```

**Returns:** [`StringVector`](https://docs.datalogics.com/apdfl18/Java/APDFL18.0.5PlusP2e/class/StringVector.md)

### set

```java
void com.datalogics.PDFL.StringStringMap.set(String key, String x)
```

**Parameters**

- `key` (`String`)
- `x` (`String`)

**Returns:** `void`

### size

```java
long com.datalogics.PDFL.StringStringMap.size()
```

**Returns:** `long`